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A210431 as a simple table

n a(n)
0 0
1 1
2 30
3 434
4 3740
5 22220
6 100562
7 370909
8 1168008
9 3245311
10 8148590
11 18821968
12 40542228
13 82300842
14 158779362
15 293092635
16 520505744
17 893364637
18 1487517086
19 2410539918
20 3812130380
21 5897064040
22 8941168786
23 13310814265
24 19486468504
25 28090928475
26 39922889006

[0,1,30,434,3740,22220,100562,370909,1168008,
 3245311,8148590,18821968,40542228,82300842,
 158779362,293092635,520505744,893364637,
 1487517086,2410539918,3812130380,5897064040,
 8941168786,13310814265,19486468504,28090928475,
 39922889006]

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Last modified April 23 01:19 EDT 2024. Contains 371906 sequences. (Running on oeis4.)