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A001505 as a simple table

n a(n)
0 6
1 210
2 990
3 2730
4 5814
5 10626
6 17550
7 26970
8 39270
9 54834
10 74046
11 97290
12 124950
13 157410
14 195054
15 238266
16 287430
17 342930
18 405150
19 474474
20 551286
21 635970
22 728910
23 830490
24 941094
25 1061106
26 1190910
27 1330890
28 1481430
29 1642914
30 1815726
31 2000250
32 2196870
33 2405970

[6,210,990,2730,5814,10626,17550,26970,39270,
 54834,74046,97290,124950,157410,195054,238266,
 287430,342930,405150,474474,551286,635970,728910,
 830490,941094,1061106,1190910,1330890,1481430,
 1642914,1815726,2000250,2196870,2405970]

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Last modified May 5 19:30 EDT 2024. Contains 372277 sequences. (Running on oeis4.)