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A135749 as a simple table

na(n)
01
11
23
319
4217
53821
695761
73214975
8137501505
97226764921
10455941716481
1133983083953611
122954163633223969
13296027886705639973
1433823026186790043841
154363561123325076879991
16630392564294402819207041

[1,1,3,19,217,3821,95761,3214975,137501505,
 7226764921,455941716481,33983083953611,
 2954163633223969,296027886705639973,
 33823026186790043841,4363561123325076879991,
 630392564294402819207041]