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A081492 as a simple table

n a(n)
1 1
2 5
3 18
4 54
5 135
6 291
7 560
8 988
9 1629
10 2545
11 3806
12 5490
13 7683
14 10479
15 13980
16 18296
17 23545
18 29853
19 37354
20 46190
21 56511
22 68475
23 82248
24 98004
25 115925
26 136201
27 159030
28 184618
29 213179
30 244935
31 280116
32 318960
33 361713
34 408629
35 459970
36 516006
37 577015

[1,5,18,54,135,291,560,988,1629,2545,3806,5490,
 7683,10479,13980,18296,23545,29853,37354,46190,
 56511,68475,82248,98004,115925,136201,159030,
 184618,213179,244935,280116,318960,361713,408629,
 459970,516006,577015]

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Last modified June 10 09:13 EDT 2024. Contains 373259 sequences. (Running on oeis4.)