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A304131 as a simple table

na(n)
113
249
353
4140
5320
6651
71321
82673
95293
1010668
1121704
1243407
1386685
14174463
15350613
16704014
171416102
182846067
195718303
2011503925
2123146779
2246553188
2393651586
24188449221
25379193323
26763054735
271535660833
283090522976
296219809542

[13,49,53,140,320,651,1321,2673,5293,10668,21704,
 43407,86685,174463,350613,704014,1416102,2846067,
 5718303,11503925,23146779,46553188,93651586,
 188449221,379193323,763054735,1535660833,
 3090522976,6219809542]