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A222540 as a simple table

na(n)
112
2104
3842
415953
5155007
63438351
737975912
8905224187
910437983644
10254476711315
112982696923617
1273371038087793
13866792806572787
1421430151084974702
15254419539235354609
166312538603518277719

[12,104,842,15953,155007,3438351,37975912,
 905224187,10437983644,254476711315,2982696923617,
 73371038087793,866792806572787,21430151084974702,
 254419539235354609,6312538603518277719]