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A249460 as a simple table

n a(n)
0 0
1 0
2 0
3 1
4 10
5 55
6 230
7 770
8 2156
9 5250
10 11460
11 22935
12 42790
13 75361
14 126490
15 203840
16 317240
17 479060
18 704616
19 1012605
20 1425570
21 1970395
22 2678830
23 3588046
24 4741220
25 6188150
26 7985900
27 10199475
28 12902526
29 16178085
30 20119330

[0,0,0,1,10,55,230,770,2156,5250,11460,22935,
 42790,75361,126490,203840,317240,479060,704616,
 1012605,1425570,1970395,2678830,3588046,4741220,
 6188150,7985900,10199475,12902526,16178085,
 20119330]

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Last modified May 1 11:48 EDT 2024. Contains 372170 sequences. (Running on oeis4.)