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A287806 as a simple table

na(n)
01
16
226
3114
4500
52194
69628
742252
8185422
9813722
103571010
1115671340
1268773514
13301811860
141324498252
155812546998
1625508302906
17111942925778
18491260382084
192155891150146
209461106209228
2141519967599596
22182209952129086
23799626506818554
243509152727035810

[1,6,26,114,500,2194,9628,42252,185422,813722,
 3571010,15671340,68773514,301811860,1324498252,
 5812546998,25508302906,111942925778,491260382084,
 2155891150146,9461106209228,41519967599596,
 182209952129086,799626506818554,3509152727035810]