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A220895 as a simple table

n a(n)
0 1
1 3
2 13
3 76
4 542
5 4493
6 42131
7 439031
8 5020105
9 62382279
10 835980065
11 12004984120
12 183754242626
13 2984264710781
14 51220227153987
15 925859588215096
16 17571969962025822
17 349210371834021295
18 7249185099929421649
19 156847124089924073770
20 3530125495029323284404

[1,3,13,76,542,4493,42131,439031,5020105,62382279,
 835980065,12004984120,183754242626,2984264710781,
 51220227153987,925859588215096,17571969962025822,
 349210371834021295,7249185099929421649,
 156847124089924073770,3530125495029323284404]

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Last modified March 19 01:34 EDT 2024. Contains 370952 sequences. (Running on oeis4.)