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A007436 as a simple table

na(n)
11
20
31
42
54
66
712
818
932
1050
1188
12134
13232
14364
15604
16966
171596
182544
194180
206708
2110932
2217622
2328656
2446206
2575020
26121160
27196384
28317432
29514228
30831374
311346268
322177322
333524488
345701290
359227448
3614927632
3724157816
3839083988

[1,0,1,2,4,6,12,18,32,50,88,134,232,364,604,966,
 1596,2544,4180,6708,10932,17622,28656,46206,75020,
 121160,196384,317432,514228,831374,1346268,
 2177322,3524488,5701290,9227448,14927632,24157816,
 39083988]