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A245999 as a simple table

n a(n)
1 2
2 26
3 396
4 2196
5 9582
6 29790
7 80504
8 185192
9 391290
10 753570
11 1371972
12 2352636
13 3877286
14 6128486
15 9405552
16 13997520
17 20363634
18 28934442
19 40377980
20 55306340
21 74651742
22 99252846
23 130367976
24 169112376
25 217138922
26 275894450
27 347501364

[2,26,396,2196,9582,29790,80504,185192,391290,
 753570,1371972,2352636,3877286,6128486,9405552,
 13997520,20363634,28934442,40377980,55306340,
 74651742,99252846,130367976,169112376,217138922,
 275894450,347501364]

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Last modified May 6 19:52 EDT 2021. Contains 343586 sequences. (Running on oeis4.)