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A304897 as a simple table

n a(n)
1 2
2 86
3 330
4 2373
5 13954
6 88308
7 546357
8 3395402
9 21113828
10 131172423
11 815495131
12 5068082120
13 31501875273
14 195796100483
15 1216969262017
16 7564039441124
17 47014056913283
18 292214759342258
19 1816252628655892
20 11288871528329054

[2,86,330,2373,13954,88308,546357,3395402,
 21113828,131172423,815495131,5068082120,
 31501875273,195796100483,1216969262017,
 7564039441124,47014056913283,292214759342258,
 1816252628655892,11288871528329054]

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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)