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A263746 as a simple table

na(n)
11
22
36
414
531
673
7160
8357
9814
101836
114140
129379
1321163
1447769
15107940
16243763
17550469
181243468
192808345
206342601
2114325494
2232354798
2373074320
24165043749
25372759852
26841897006
271901473298
284294581633
299699541870
3021906956858

[1,2,6,14,31,73,160,357,814,1836,4140,9379,21163,
 47769,107940,243763,550469,1243468,2808345,
 6342601,14325494,32354798,73074320,165043749,
 372759852,841897006,1901473298,4294581633,
 9699541870,21906956858]