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A017777 as a simple table

n a(n)
0 1
1 61
2 1830
3 35990
4 521855
5 5949147
6 55525372
7 436270780
8 2944827765
9 17341763505
10 90177170226
11 418094152866
12 1742058970275
13 6566222272575
14 22512762077400
15 70539987842520
16 202802465047245
17 536830054536825
18 1312251244423350
19 2969831763694950

[1,61,1830,35990,521855,5949147,55525372,
 436270780,2944827765,17341763505,90177170226,
 418094152866,1742058970275,6566222272575,
 22512762077400,70539987842520,202802465047245,
 536830054536825,1312251244423350,2969831763694950]

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)