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A051531 as a simple table

n a(n)
0 1
1 1
2 4
3 15
4 24
5 44
6 81
7 115
8 168
9 247
10 322
11 424
12 561
13 693
14 860
15 1071
16 1276
17 1524
18 1825
19 2119
20 2464
21 2871
22 3270
23 3728
24 4257
25 4777
26 5364
27 6031
28 6688
29 7420
30 8241
31 9051
32 9944
33 10935
34 11914
35 12984
36 14161
37 15325
38 16588
39 17967
40 19332
41 20804

[1,1,4,15,24,44,81,115,168,247,322,424,561,693,
 860,1071,1276,1524,1825,2119,2464,2871,3270,3728,
 4257,4777,5364,6031,6688,7420,8241,9051,9944,
 10935,11914,12984,14161,15325,16588,17967,19332,
 20804]

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Last modified April 18 09:34 EDT 2024. Contains 371779 sequences. (Running on oeis4.)