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A304259 as a simple table

na(n)
10
29
313
419
547
688
7181
8376
9878
102001
114424
1210341
1322952
1452556
15120613
16274291
17628125
181438641
193287013
207536973
2117256538
2239516094
2390565077
24207484145
25475398131
261089513951
272496621606
285721591782
2913112958593
3030051839551

[0,9,13,19,47,88,181,376,878,2001,4424,10341,
 22952,52556,120613,274291,628125,1438641,3287013,
 7536973,17256538,39516094,90565077,207484145,
 475398131,1089513951,2496621606,5721591782,
 13112958593,30051839551]