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A275555 as a simple table

na(n)
01
11
22
34
416
577
6730
78578
8132422
92394795
1050031012
111179054376
1230959574248
13896082610429
1428346986843640
15973097619619654
1636028798243701780
171431211529242786625
1860719765604009463866
192740193429053744941868
20131072000002841600036024

[1,1,2,4,16,77,730,8578,132422,2394795,50031012,
 1179054376,30959574248,896082610429,
 28346986843640,973097619619654,36028798243701780,
 1431211529242786625,60719765604009463866,
 2740193429053744941868,131072000002841600036024]