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A207892 as a simple table

n a(n)
1 13
2 169
3 462
4 2446
5 11196
6 49442
7 231900
8 1070030
9 4844224
10 22421336
11 103071836
12 470766400
13 2169072096
14 9960748002
15 45637352134
16 209883232908
17 963579009422
18 4420355911200
19 20311365385702
20 93248420528358
21 427991086292782

[13,169,462,2446,11196,49442,231900,1070030,
 4844224,22421336,103071836,470766400,2169072096,
 9960748002,45637352134,209883232908,963579009422,
 4420355911200,20311365385702,93248420528358,
 427991086292782]

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Last modified May 22 20:52 EDT 2022. Contains 353959 sequences. (Running on oeis4.)