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A355861 as a simple table

na(n)
01
12
25
312
437
5121
6419
71510
85604
921261
1082110
11321662
121275077
135104886
1420611814
1583834609
16343164051
171412600336
185843868040
1924283650452
20101312783192
21424212909937
221782086178267
237508852850710
2431725558330499
25134381573170076
26570532128884181

[1,2,5,12,37,121,419,1510,5604,21261,82110,321662,
 1275077,5104886,20611814,83834609,343164051,
 1412600336,5843868040,24283650452,101312783192,
 424212909937,1782086178267,7508852850710,
 31725558330499,134381573170076,570532128884181]