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A183914 as a simple table

n a(n)
1 1
2 7
3 25
4 86
5 252
6 676
7 1656
8 3788
9 8150
10 16660
11 32540
12 61108
13 110780
14 194668
15 332578
16 553981
17 901723
18 1437269
19 2247151
20 3451798
21 5216252
22 7764392
23 11396054
24 16509188
25 23626234
26 33427622
27 46791278
28 64841876
29 89008530
30 121095602
31 163364972

[1,7,25,86,252,676,1656,3788,8150,16660,32540,
 61108,110780,194668,332578,553981,901723,1437269,
 2247151,3451798,5216252,7764392,11396054,16509188,
 23626234,33427622,46791278,64841876,89008530,
 121095602,163364972]

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Last modified December 1 23:44 EST 2022. Contains 358485 sequences. (Running on oeis4.)