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A126903 as a simple table

n a(n)
0 1
1 22
2 242
3 1782
4 9922
5 44726
6 169686
7 557326
8 1621796
9 4262346
10 10278202
11 23034770
12 48483270
13 96660850
14 183825950
15 335414178
16 590033224
17 1004751374
18 1661972994
19 2678235934
20 4215310154
21 6494023998
22 9811294438
23 14560890278
24 21258512748
25 30571836130

[1,22,242,1782,9922,44726,169686,557326,1621796,
 4262346,10278202,23034770,48483270,96660850,
 183825950,335414178,590033224,1004751374,
 1661972994,2678235934,4215310154,6494023998,
 9811294438,14560890278,21258512748,30571836130]

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Last modified June 17 20:03 EDT 2024. Contains 373464 sequences. (Running on oeis4.)