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A256288 as a simple table

n a(n)
0 0
1 7
2 210
3 2205
4 12208
5 47845
6 148638
7 393617
8 922600
9 1970325
10 3902360
11 7270725
12 12868128
13 21811881
14 35617708
15 56319375
16 86565808
17 129780448
18 190285326
19 273509446
20 386137220
21 536375658
22 734131552
23 991339307
24 1322171256
25 1743437850
26 2274824006
27 2939374683

[0,7,210,2205,12208,47845,148638,393617,922600,
 1970325,3902360,7270725,12868128,21811881,
 35617708,56319375,86565808,129780448,190285326,
 273509446,386137220,536375658,734131552,991339307,
 1322171256,1743437850,2274824006,2939374683]

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Last modified February 3 21:17 EST 2023. Contains 360045 sequences. (Running on oeis4.)