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A266931 as a simple table

na(n)
12
25
312
435
5100
6288
7794
82077
95110
1011869
1126086
1254543
13108999
14209148
15386883
16692473
171203061
182034487
193357115
205416951
218563297
2213284702
2320254831
2430390893
2544926915
2665505045
2794288435
28134099783
29188589873
30262441858

[2,5,12,35,100,288,794,2077,5110,11869,26086,
 54543,108999,209148,386883,692473,1203061,2034487,
 3357115,5416951,8563297,13284702,20254831,
 30390893,44926915,65505045,94288435,134099783,
 188589873,262441858]