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A026677 as a simple table

na(n)
01
12
25
310
423
546
6103
7206
8455
9910
101993
113986
128679
1317358
1437633
1575266
16162643
17325286
18701075
191402150
203015563
216031126
2212948083
2325896166
2455513327
25111026654
26237705547
27475411094
281016736115
292033472230

[1,2,5,10,23,46,103,206,455,910,1993,3986,8679,
 17358,37633,75266,162643,325286,701075,1402150,
 3015563,6031126,12948083,25896166,55513327,
 111026654,237705547,475411094,1016736115,
 2033472230]