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A118891 as a simple table

na(n)
01
12
24
38
416
531
660
7116
8223
9428
10820
111569
123002
135744
1410992
1521039
1640273
1777095
18147588
19282538
20540881
211035440
221982194
233794602
247264164
2513906079
2626620957
2750961552
2897557726
29186758657
30357519595
31684414146
321310201570

[1,2,4,8,16,31,60,116,223,428,820,1569,3002,5744,
 10992,21039,40273,77095,147588,282538,540881,
 1035440,1982194,3794602,7264164,13906079,26620957,
 50961552,97557726,186758657,357519595,684414146,
 1310201570]