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A218779 as a simple table

na(n)
11
22
36
416
553
6156
7491
81584
95286
1017855
1161405
12214012
13754731
142688307
159659023
1634947356
17127260566
18465920651
191714294995
206335423798
2123506865260
2287534068725
23327024845325
241225395355165
254604242172697
2617343284212635
2765480496260109
28247755060623522

[1,2,6,16,53,156,491,1584,5286,17855,61405,214012,
 754731,2688307,9659023,34947356,127260566,
 465920651,1714294995,6335423798,23506865260,
 87534068725,327024845325,1225395355165,
 4604242172697,17343284212635,65480496260109,
 247755060623522]