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A265949 as a simple table

n a(n)
0 1
1 1
2 4
3 31
4 283
5 3489
6 50913
7 890635
8 17891170
9 409850236
10 10494427982
11 297780829216
12 9261266862273
13 313453533534739
14 11464487066049791
15 450644378868285130
16 18942868694407904729
17 847930346323808122469
18 40266107916200371331007
19 2021842180288047801103956

[1,1,4,31,283,3489,50913,890635,17891170,
 409850236,10494427982,297780829216,9261266862273,
 313453533534739,11464487066049791,
 450644378868285130,18942868694407904729,
 847930346323808122469,40266107916200371331007,
 2021842180288047801103956]

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Last modified April 25 12:14 EDT 2024. Contains 371969 sequences. (Running on oeis4.)