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A219972 as a simple table

na(n)
01
10
24
319
470
5456
62530
712343
866653
9372429
101910822
1110162059
1255583124
13291195073
141550518247
158363883923
1644269140576
17235940940726
181264437357202
196723179849519
2035846240541026
21191571690239220
221020536749613565
235442225134864810
2429051213879574079

[1,0,4,19,70,456,2530,12343,66653,372429,1910822,
 10162059,55583124,291195073,1550518247,8363883923,
 44269140576,235940940726,1264437357202,
 6723179849519,35846240541026,191571690239220,
 1020536749613565,5442225134864810,
 29051213879574079]