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A021974 as a simple table

n a(n)
0 1
1 26
2 459
3 6916
4 96005
5 1270542
6 16318303
7 205487672
8 2552951769
9 31419668098
10 384095637107
11 4672689817068
12 56644179720493
13 684877363365494
14 8264853578776071
15 99595171342479904
16 1198894417410885377

[1,26,459,6916,96005,1270542,16318303,205487672,
 2552951769,31419668098,384095637107,4672689817068,
 56644179720493,684877363365494,8264853578776071,
 99595171342479904,1198894417410885377]

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Last modified May 28 09:09 EDT 2022. Contains 354112 sequences. (Running on oeis4.)