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A302609 as a simple table

na(n)
00
11
24
329
4288
53649
656160
71017029
821181440
9498682881
1013095232000
11379443829709
1212025239367680
13413761766695809
1415360425115176960
15611958601019294325
1626042588632355176448
171179009749826940037889
1856579126414696034729984
192868848293506101088635389

[0,1,4,29,288,3649,56160,1017029,21181440,
 498682881,13095232000,379443829709,12025239367680,
 413761766695809,15360425115176960,
 611958601019294325,26042588632355176448,
 1179009749826940037889,56579126414696034729984,
 2868848293506101088635389]