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A163606 as a simple table

na(n)
03
113
257
3251
41107
54885
621561
795171
8420099
91854397
108185689
1136133355
12159500307
13704068357
143107907993
1513718969459
1660558460803
17267317978605
181179998646009
195208766025819
2022992605632851
21101494271616373

[3,13,57,251,1107,4885,21561,95171,420099,1854397,
 8185689,36133355,159500307,704068357,3107907993,
 13718969459,60558460803,267317978605,
 1179998646009,5208766025819,22992605632851,
 101494271616373]