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A042495 as a simple table

na(n)
01
11
26
325
431
5273
6577
74889
85466
926753
10139231
11165984
129102367
139268351
1455444122
15231044839
16286488961
172522956527
185332402015
1945182172647
2050514574662
21247240471295
221286716931137
231533957402432
2484120416662465
2585654374064897

[1,1,6,25,31,273,577,4889,5466,26753,139231,
 165984,9102367,9268351,55444122,231044839,
 286488961,2522956527,5332402015,45182172647,
 50514574662,247240471295,1286716931137,
 1533957402432,84120416662465,85654374064897]