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A356668 as a simple table

na(n)
01
11
23
37
437
5121
61141
75041
860761
9378001
105444461
1139916801
12729041545
136227020801
14130767460825
151321314894901
1631388220966961
17355687428096001
189636906872926477
19121645100408832001
203649432697160095561
2151223991519836175041
221686001091666419279753

[1,1,3,7,37,121,1141,5041,60761,378001,5444461,
 39916801,729041545,6227020801,130767460825,
 1321314894901,31388220966961,355687428096001,
 9636906872926477,121645100408832001,
 3649432697160095561,51223991519836175041,
 1686001091666419279753]