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A364509 as a simple table

na(n)
01
11
24
31
46
536
61
716
890
9400
101
1150
12784
131680
144900
151
16168
178910
1848400
1934650
2063504
211
22588
23113256
242011100
253312400
26756756
27853776
281
292112
301528436
3196993024
32503909070
33240374016
3417153136
3511778624
361
377722
3821395520
395056527000
4092279796840
41133954543800
4218116083216

[1,1,4,1,6,36,1,16,90,400,1,50,784,1680,4900,1,
 168,8910,48400,34650,63504,1,588,113256,2011100,
 3312400,756756,853776,1,2112,1528436,96993024,
 503909070,240374016,17153136,11778624,1,7722,
 21395520,5056527000,92279796840,133954543800,
 18116083216]