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A226188 as a simple table

na(n)
11
22
34
48
516
631
760
8116
9227
10441
11859
121674
133260
146349
1512367
1624088
1746916
1891380
19177984
20346666
21675214
221315136
232561536
244989191
259717617
2618927334
2736865412

[1,2,4,8,16,31,60,116,227,441,859,1674,3260,6349,
 12367,24088,46916,91380,177984,346666,675214,
 1315136,2561536,4989191,9717617,18927334,36865412]