A264680 - OEIS

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A264680 as a simple table

n	a(n)
1	1
2	44
3	603
4	6851
5	123222
6	2025372
7	29875350
8	436294812
9	6478725972
10	95858657256
11	1406076314579
12	20604755924271
13	302274882992297
14	4432087245361391
15	64934929110247763
16	951285313173076076
17	13937110096540031221

[1,44,603,6851,123222,2025372,29875350,436294812, 6478725972,95858657256,1406076314579, 20604755924271,302274882992297,4432087245361391, 64934929110247763,951285313173076076, 13937110096540031221]