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A222450 as a simple table

n a(n)
1 0
2 0
3 2
4 7
5 10
6 23
7 64
8 175
9 400
10 983
11 2498
12 6409
13 15982
14 40282
15 102240
16 260590
17 662008
18 1685764
19 4301724
20 10996863
21 28122246
22 71995471
23 184507156
24 473312401
25 1215008846
26 3121272497
27 8023924572
28 20640895689
29 53127720534
30 136821537884

[0,0,2,7,10,23,64,175,400,983,2498,6409,15982,
 40282,102240,260590,662008,1685764,4301724,
 10996863,28122246,71995471,184507156,473312401,
 1215008846,3121272497,8023924572,20640895689,
 53127720534,136821537884]

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Last modified September 4 22:32 EDT 2024. Contains 375685 sequences. (Running on oeis4.)