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A170940 as a simple table

n a(n)
1 0
2 10
3 54
4 238
5 990
6 4030
7 16254
8 65278
9 261630
10 1047550
11 4192254
12 16773118
13 67100670
14 268419070
15 1073709054
16 4294901758
17 17179738110
18 68719214590
19 274877382654
20 1099510579198
21 4398044413950
22 17592181850110
23 70368735789054
24 281474959933438
25 1125899873288190

[0,10,54,238,990,4030,16254,65278,261630,1047550,
 4192254,16773118,67100670,268419070,1073709054,
 4294901758,17179738110,68719214590,274877382654,
 1099510579198,4398044413950,17592181850110,
 70368735789054,281474959933438,1125899873288190]

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Last modified April 24 06:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)