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A090731 as a simple table

na(n)
02
123
2527
312098
4277727
56375623
6146361602
73359941223
877132286527
91770682648898
1040648568638127
11933146396028023
1221421718540006402
13491766380024119223
1411289205022014735727
15259159949126314802498

[2,23,527,12098,277727,6375623,146361602,
 3359941223,77132286527,1770682648898,
 40648568638127,933146396028023,21421718540006402,
 491766380024119223,11289205022014735727,
 259159949126314802498]