Triangular numbers: Difference between revisions

Content added Content deleted
(J)
m (→‎{{header|J}}: arrange "first 30" results in shorter rows)
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<syntaxhighlight lang=J> tri=: [!+
<syntaxhighlight lang=J> tri=: [!+
2 tri i. 30
2 tri 1+i.5 6
3 6 10 15 21 28
1 3 6 10 15 21 28 36 45 55 66 78 91 105 120 136 153 171 190 210 231 253 276 300 325 351 378 406 435 465
3 tri i. 30
36 45 55 66 78 91
105 120 136 153 171 190
1 4 10 20 35 56 84 120 165 220 286 364 455 560 680 816 969 1140 1330 1540 1771 2024 2300 2600 2925 3276 3654 4060 4495 4960
210 231 253 276 300 325
⚫
4 tri i. 30
351 378 406 435 465 496
1 5 15 35 70 126 210 330 495 715 1001 1365 1820 2380 3060 3876 4845 5985 7315 8855 10626 12650 14950 17550 20475 23751 27405 31465 35960 40920
12 tri i. 30
3 tri 1+i.5 6
4 10 20 35 56 84
1 13 91 455 1820 6188 18564 50388 125970 293930 646646 1352078 2704156 5200300 9657700 17383860 30421755 51895935 86493225 141120525 225792840 354817320 548354040 834451800 1251677700 1852482996 2707475148 3910797436 5586853480 7898654920
120 165 220 286 364 455
</syntaxhighlight>
560 680 816 969 1140 1330
1540 1771 2024 2300 2600 2925
3276 3654 4060 4495 4960 5456
⚫
4 tri 1+i.5 6
5 15 35 70 126 210
330 495 715 1001 1365 1820
2380 3060 3876 4845 5985 7315
8855 10626 12650 14950 17550 20475
23751 27405 31465 35960 40920 46376
12 tri 1+i.10 3
13 91 455
1820 6188 18564
50388 125970 293930
646646 1352078 2704156
5200300 9657700 17383860
30421755 51895935 86493225
141120525 225792840 354817320
548354040 834451800 1251677700
1852482996 2707475148 3910797436
5586853480 7898654920 11058116888</syntaxhighlight>


And, for the roots:
And, for the roots:
Line 105: Line 125:
5.39361e6 44356.2 4321
5.39361e6 44356.2 4321
</syntaxhighlight>
</syntaxhighlight>



=={{header|Julia}}==
=={{header|Julia}}==
Retrieved from "https://rosettacode.org/wiki/Triangular_numbers"