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A241767 as a simple table

na(n)
10
20
31
42
57
633
7244
82792
952448
101690206
1196288815
129873721048
131841360945834
14629414405238720
15397024508142598996
16464923623652122023478
171016016289424631486429082
184162473006943138723685574978
1932096861904411547975392065322659

[0,0,1,2,7,33,244,2792,52448,1690206,96288815,
 9873721048,1841360945834,629414405238720,
 397024508142598996,464923623652122023478,
 1016016289424631486429082,
 4162473006943138723685574978,
 32096861904411547975392065322659]