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A201807 as a simple table

na(n)
11
29
325
4313
51401
615681
790609
8909945
96105913
1057290209
11421304049
123799765201
1329595440785
14261111392985
152109792275145
1618400232046585
17152275971653625
181320864136716225
1911107129707193809
2096160509723165393

[1,9,25,313,1401,15681,90609,909945,6105913,
 57290209,421304049,3799765201,29595440785,
 261111392985,2109792275145,18400232046585,
 152275971653625,1320864136716225,
 11107129707193809,96160509723165393]