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A241862 as a simple table

na(n)
21
30
44
53
610
718
835
960
10121
11217
12391
13709
141281
152283
164061
177185
1812680
1922291
2039051
2168191
22118767
23206331
24357596
25618345
261066983
271837513
283158685
295420335
309286086
3115884155
3227130404
3346274560
3478822938
35134095757
36227853408
37386721362
38655639944

[1,0,4,3,10,18,35,60,121,217,391,709,1281,2283,
 4061,7185,12680,22291,39051,68191,118767,206331,
 357596,618345,1066983,1837513,3158685,5420335,
 9286086,15884155,27130404,46274560,78822938,
 134095757,227853408,386721362,655639944]