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A015663 as a simple table

na(n)
11
22
34
46
512
614
728
836
952
1058
11116
12124
13242
14266
15302
16356
17664
18695
191228
201311
211476
221589
232667
242766
253636
263898
274641
284924
297665
307764
3111613
3212678
3313901
3414730
3516540
3616953
3724328
3825688
3927943
4028868

[1,2,4,6,12,14,28,36,52,58,116,124,242,266,302,
 356,664,695,1228,1311,1476,1589,2667,2766,3636,
 3898,4641,4924,7665,7764,11613,12678,13901,14730,
 16540,16953,24328,25688,27943,28868]