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A007864 as a simple table

na(n)
11
22
34
47
511
619
730
849
976
10118
11180
12276
13411
14614
15908
161336
171944
182824
194067
205839
218326
2211829
2316719
2423557
2533019
2646142
2764226
2889117
29123198
30169841
31233373
32319817
33436982
34595554
35809503
361097714
371484805
382003938
392698410

[1,2,4,7,11,19,30,49,76,118,180,276,411,614,908,
 1336,1944,2824,4067,5839,8326,11829,16719,23557,
 33019,46142,64226,89117,123198,169841,233373,
 319817,436982,595554,809503,1097714,1484805,
 2003938,2698410]