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A263285 as a simple table

na(n)
142
2156
3482
41512
54610
614140
742420
8129444
9391642
101180480
113544794
1210655576
1331976778
1495976140
15287978714
16864145200
172592435600
187778832336
1923338786082
2070020174204
21210062812650
22630202940556
231890615691586
245671878371544

[42,156,482,1512,4610,14140,42420,129444,391642,
 1180480,3544794,10655576,31976778,95976140,
 287978714,864145200,2592435600,7778832336,
 23338786082,70020174204,210062812650,630202940556,
 1890615691586,5671878371544]