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A025978 as a simple table

n a(n)
0 1
1 25
2 415
3 5805
4 74271
5 902325
6 10616455
7 122340685
8 1390355791
9 15651303525
10 175025553495
11 1948179192765
12 21613189505311
13 239210965847125
14 2643048211482535
15 29167353171072045
16 321591476229774831

[1,25,415,5805,74271,902325,10616455,122340685,
 1390355791,15651303525,175025553495,1948179192765,
 21613189505311,239210965847125,2643048211482535,
 29167353171072045,321591476229774831]

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Last modified July 2 21:48 EDT 2022. Contains 355029 sequences. (Running on oeis4.)