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A026290 as a simple table

na(n)
41
54
614
746
8145
9446
101349
114034
1211966
1335290
14103642
15303458
16886548
172585922
187534245
1921934524
2063826041
21185668816
22540034074
231570719570
244568920029
2513292253106
2638679350746
27112583530784
28327793747775
29954702193796

[1,4,14,46,145,446,1349,4034,11966,35290,103642,
 303458,886548,2585922,7534245,21934524,63826041,
 185668816,540034074,1570719570,4568920029,
 13292253106,38679350746,112583530784,327793747775,
 954702193796]