A238840 Smallest number m such that u + (sum of base-6 digits of u) = m has exactly n solutions.

0, 37, 10077697, 2821109907494

Offset

1,2

Comments

The next term is a(5) = 6^((6^9+6^2+8)/5) + 38 = 6^2015548 + 38 and is too large to display.

Links

Table of n, a(n) for n=1..4.

Max Alekseyev, Table of expressions for a(n), for n=1..100

Max A. Alekseyev and N. J. A. Sloane, On Kaprekar's Junction Numbers, arXiv:2112.14365, 2021; Journal of Combinatorics and Number Theory 12:3 (2022), 115-155.

Crossrefs

Smallest number m such that u + (sum of base-b digits of u) = m has exactly n solutions, for bases 2 through 10: A230303, A230640, A230638, A230867, A238840, A238841, A238842, A238843, A006064.

Sequence in context: A063681 A289820 A087020 * A345467 A329226 A171407

Adjacent sequences: A238837 A238838 A238839 * A238841 A238842 A238843

Keyword

nonn,base

Author

N. J. A. Sloane, Mar 19 2014

Status

approved