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A053977 as a simple table

n a(n)
1 2
2 7
3 13
4 19
5 85
6 2601
7 9602
8 46268
9 4812284
10 147961485
11 210810243
12 814960948
13 1003849128
14 1016803038
15 12917183059
16 26242325020
17 22215291139324
18 30797877759859
19 60139200644343
20 121848657453426
21 133555928335475

[2,7,13,19,85,2601,9602,46268,4812284,147961485,
 210810243,814960948,1003849128,1016803038,
 12917183059,26242325020,22215291139324,
 30797877759859,60139200644343,121848657453426,
 133555928335475]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)