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A058100 as a simple table

n a(n)
-1 1
0 0
1 21
2 62
3 162
4 378
5 819
6 1680
7 3276
8 6138
9 11145
10 19662
11 33840
12 57048
13 94362
14 153432
15 245757
16 388218
17 605466
18 933414
19 1423614
20 2149586
21 3215844
22 4769544
23 7016572
24 10243896
25 14848809
26 21378276
27 30582360
28 43484304
29 61473438
30 86428896

[1,0,21,62,162,378,819,1680,3276,6138,11145,19662,
 33840,57048,94362,153432,245757,388218,605466,
 933414,1423614,2149586,3215844,4769544,7016572,
 10243896,14848809,21378276,30582360,43484304,
 61473438,86428896]

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)