

A343255


a(n) is obtained by replacing 2's by n's in the hereditary base2 expansion of n.


1



0, 1, 2, 4, 256, 3126, 46662, 823551, 134217728, 3486784402, 100000000010, 3138428376733, 115909305827328, 4240251492291543, 166680102383370254, 7006302246093750016
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OFFSET

0,3


COMMENTS

The next term, a(16), has 22212093154093428530 digits, and is too large to include.


LINKS



FORMULA



EXAMPLE

For n = 5:
 5 = 2^2^2^0 + 2^0,
 so a(5) = 5^5^5^0 + 5^0 = 3126.


CROSSREFS



KEYWORD

nonn


AUTHOR



STATUS

approved



