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A057942 as a simple table

n a(n)
1 645
2 25761
3 212421
4 332949
5 656601
6 6212361
7 63560685
8 413435121
9 1112691009
10 1121315385
11 1239702465
12 2851612221
13 5616154545
14 6454103601
15 6689540901
16 9691152801
17 9728582781
18 11970358401
19 12028438605
20 15076352901
21 17402551365

[645,25761,212421,332949,656601,6212361,63560685,
 413435121,1112691009,1121315385,1239702465,
 2851612221,5616154545,6454103601,6689540901,
 9691152801,9728582781,11970358401,12028438605,
 15076352901,17402551365]

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Last modified May 6 08:14 EDT 2021. Contains 343580 sequences. (Running on oeis4.)