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A278393 as a simple table

n a(n)
0 1
1 4
2 26
3 194
4 1521
5 12289
6 101205
7 844711
8 7120398
9 60477913
10 516774114
11 4437360897
12 38256405777
13 330948944639
14 2871299293535
15 24973776734091
16 217690276938940
17 1901204163460913
18 16632544424086901
19 145730139895667887
20 1278596503973570665
21 11231908572986043199

[1,4,26,194,1521,12289,101205,844711,7120398,
 60477913,516774114,4437360897,38256405777,
 330948944639,2871299293535,24973776734091,
 217690276938940,1901204163460913,
 16632544424086901,145730139895667887,
 1278596503973570665,11231908572986043199]

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Last modified August 30 19:33 EDT 2024. Contains 375545 sequences. (Running on oeis4.)