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A349505 as a simple table

na(n)
01
11
26
381
41668
546740
61659102
771386602
83611376360
9210083758704
1013817649943440
111013979735381888
1282134894774767832
137279520816638839600
14700730732176038359208
1572803537907677356262760
168120227815636769492383168

[1,1,6,81,1668,46740,1659102,71386602,3611376360,
 210083758704,13817649943440,1013979735381888,
 82134894774767832,7279520816638839600,
 700730732176038359208,72803537907677356262760,
 8120227815636769492383168]