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A261285 as a simple table

na(n)
136
250
396
4166
5307
6540
71015
81786
93304
105862
1110877
1219316
1335609
1463526
15116992
16209094
17383787
18687684
191260543
202262114
214138240
227439142
2313591813
2424462924
2544638225
2680433102
27146628424
28264446262
29481653251
30869371260
311582318631

[36,50,96,166,307,540,1015,1786,3304,5862,10877,
 19316,35609,63526,116992,209094,383787,687684,
 1260543,2262114,4138240,7439142,13591813,24462924,
 44638225,80433102,146628424,264446262,481653251,
 869371260,1582318631]