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A274751 as a simple table

n a(n)
1 4
2 27
3 144
4 813
5 4554
6 25585
7 143634
8 806695
9 4529786
10 25438375
11 142850048
12 802197187
13 4504820208
14 25297392889
15 142060454416
16 797757713921
17 4479903521254
18 25157436233205
19 141274594599246
20 793344420605515

[4,27,144,813,4554,25585,143634,806695,4529786,
 25438375,142850048,802197187,4504820208,
 25297392889,142060454416,797757713921,
 4479903521254,25157436233205,141274594599246,
 793344420605515]

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Last modified April 19 17:37 EDT 2024. Contains 371795 sequences. (Running on oeis4.)