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A290261 as a simple table

na(n)
11
22
32
46
56
610
718
854
954
10114
11186
12334
13630
141314
152106
165910
177710
1815642
1927594
2057798
2197902
22207762
23364722
24712990
251340622
262778930
274918482
2810437702
2918512790
3037500858
3169273666
32154021590
33258155910
34535004610
35981288906

[1,2,2,6,6,10,18,54,54,114,186,334,630,1314,2106,
 5910,7710,15642,27594,57798,97902,207762,364722,
 712990,1340622,2778930,4918482,10437702,18512790,
 37500858,69273666,154021590,258155910,535004610,
 981288906]