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A263346 as a simple table

na(n)
01
11
23
35
412
521
640
771
8130
9221
10387
11648
121095
131800
142964
154792
167730
1712301
1819510
1930619
2047859
2174179
22114469
23175427
24267684
25406039
26613325
27921671
281379500
292055313
303050652
314509385
326641966
339746452
3414254242
3520775255
3630184451
3743715711

[1,1,3,5,12,21,40,71,130,221,387,648,1095,1800,
 2964,4792,7730,12301,19510,30619,47859,74179,
 114469,175427,267684,406039,613325,921671,1379500,
 2055313,3050652,4509385,6641966,9746452,14254242,
 20775255,30184451,43715711]