A343255 a(n) is obtained by replacing 2's by n's in the hereditary base-2 expansion of n.

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

Offset: 0

Author

Rémy Sigrist, Jun 04 2021

Keywords

• nonn

Comments

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

Examples

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

Links

• Wikipedia, Hereditary base-n notation

Crossrefs

Cf. A054382, A342707.

Formula

a(n) = A342707(n, n).