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A138423 as a simple table

n a(n)
1 4
2 27
3 250
4 1029
5 6655
6 13182
7 39304
8 61731
9 133837
10 341446
11 446865
12 911754
13 1378420
14 1669647
15 2387929
16 3870802
17 5955991
18 6809430
19 9925179
20 12526885
21 14004612
22 19228521
23 23443267
24 31018636
25 43808304
26 51515050
27 55729077

[4,27,250,1029,6655,13182,39304,61731,133837,
 341446,446865,911754,1378420,1669647,2387929,
 3870802,5955991,6809430,9925179,12526885,14004612,
 19228521,23443267,31018636,43808304,51515050,
 55729077]

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Last modified March 29 08:13 EDT 2024. Contains 371265 sequences. (Running on oeis4.)