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A204717 as a simple table

n a(n)
1 51
2 261
3 1271
4 5821
5 26128
6 115060
7 502546
8 2181023
9 9435107
10 40725864
11 175575234
12 756334373
13 3256622029
14 14018388717
15 60333239964
16 259639675364
17 1117272873312
18 4807636088206
19 20686854358737
20 89012629944208
21 383005849761933

[51,261,1271,5821,26128,115060,502546,2181023,
 9435107,40725864,175575234,756334373,3256622029,
 14018388717,60333239964,259639675364,
 1117272873312,4807636088206,20686854358737,
 89012629944208,383005849761933]

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Last modified March 29 06:15 EDT 2024. Contains 371265 sequences. (Running on oeis4.)