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A234533 Smallest number of hex numbers summing to n. 1
1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 7, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 7, 2, 3, 4, 5, 6, 7, 8, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 7, 2, 3, 4, 5, 6, 7, 8, 3, 4, 5, 6, 7, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 7, 2, 3, 4, 5, 6, 7, 2, 3, 4, 5, 6, 7, 2, 3, 4, 5, 6, 7, 8, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

This sequence is to A003215 as A002828 is to A000290, and as A061336 is to A000217.

LINKS

Lars Blomberg, Table of n, a(n) for n = 1..10000

EXAMPLE

a(21) = 3, because 21 = 19 + 1 + 1 = 7 + 7 + 7, so there are two ways to express 21 as the sum of 3 hex numbers, but no way to express 21 as the sum of 2 hex numbers.

CROSSREFS

Sequence in context: A190596 A053842 A010885 * A053828 A033927 A104414

Adjacent sequences:  A234530 A234531 A234532 * A234534 A234535 A234536

KEYWORD

nonn

AUTHOR

Allan C. Wechsler, Dec 27 2013

EXTENSIONS

a(27)-a(87) from Lars Blomberg, Jan 07 2014

STATUS

approved

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Last modified August 17 17:04 EDT 2019. Contains 326059 sequences. (Running on oeis4.)