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A239574 as a simple table

na(n)
30
41
524
6200
71053
83932
911988
1031298
1173046
12155880
13310046
14581414
151038634
161779531
172942114
184714412
197350595
2011184786
2116654116
2224317554
2334886940
2449252544
2568523846
2694062350
27127534794
28170954603
29226748678
30297809946
31387580007
32500113190
33640178710

[0,1,24,200,1053,3932,11988,31298,73046,155880,
 310046,581414,1038634,1779531,2942114,4714412,
 7350595,11184786,16654116,24317554,34886940,
 49252544,68523846,94062350,127534794,170954603,
 226748678,297809946,387580007,500113190,640178710]