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A108700 as a simple table

na(n)
11
21
31
43
54
67
712
821
932
1054
1188
12141
13232
14376
15604
16987
171596
182576
194180
206762
2110932
2217710
2328656
2446347
2575020
26121392
27196384
28317808
29514228
30831978
311346268
322178309
333524488
345702886
359227448
3614930208
3724157816
3839088168

[1,1,1,3,4,7,12,21,32,54,88,141,232,376,604,987,
 1596,2576,4180,6762,10932,17710,28656,46347,75020,
 121392,196384,317808,514228,831978,1346268,
 2178309,3524488,5702886,9227448,14930208,24157816,
 39088168]