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A218781 as a simple table

na(n)
11
22
35
412
532
692
7278
8877
92861
109572
1132656
12113164
13397190
141409006
155043617
1618194197
1766075777
18241385044
19886422017
203270283189
2112115355601
2245052126049
23168100964161
24629171367473
252361546968519
268886942571534
2733523357596518
28126736969302857

[1,2,5,12,32,92,278,877,2861,9572,32656,113164,
 397190,1409006,5043617,18194197,66075777,
 241385044,886422017,3270283189,12115355601,
 45052126049,168100964161,629171367473,
 2361546968519,8886942571534,33523357596518,
 126736969302857]