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A238842 Smallest number m such that u + (sum of base-8 digits of u) = m has exactly n solutions. 9
0, 65, 8589934593, 1152921504606847042 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
The next term is a(5) = 8^((8^11+76)/7) + 66 = 8^1227133524 + 66 and is too large to display.
LINKS
Max A. Alekseyev and N. J. A. Sloane, On Kaprekar's Junction Numbers, arXiv:2112.14365, 2021; Journal of Combinatorics and Number Theory, 2022 (to appear).
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: A185823 A035519 A368189 * A059755 A215657 A157631
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Mar 19 2014
STATUS
approved

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Last modified July 16 10:51 EDT 2024. Contains 374345 sequences. (Running on oeis4.)