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A020553 as a simple table

n a(n)
0 13
1 13
2 169
3 53353
4 192765313
5 2987020886401
6 139315413199910401
7 16390164189282661209601
8 4296582368719161586407014401
9 2283380023678431422349630232166401
10 2283380023592597821850615100577136640001
11 4045146997974202929578655563117617193533440001

[13,13,169,53353,192765313,2987020886401,
 139315413199910401,16390164189282661209601,
 4296582368719161586407014401,
 2283380023678431422349630232166401,
 2283380023592597821850615100577136640001,
 4045146997974202929578655563117617193533440001]

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Last modified April 17 23:23 EDT 2024. Contains 371767 sequences. (Running on oeis4.)