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A137681 as a simple table

na(n)
11
22
34
410
523
656
7132
8316
9752
101793
114272
1210183
1324266
1457833
15137828
16328475
17782827
181865651
194446255
2010596406
2125253567
2260184809
23143433647
24341833954
25814665553
261941527332
274627086990
2811027366781
2926280642313
3062632555360
31149267165702

[1,2,4,10,23,56,132,316,752,1793,4272,10183,24266,
 57833,137828,328475,782827,1865651,4446255,
 10596406,25253567,60184809,143433647,341833954,
 814665553,1941527332,4627086990,11027366781,
 26280642313,62632555360,149267165702]