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A257773 Number of numbers k, 0 <= k <= 9, such that n is a Belgian-k number. 6
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 10, 10, 7, 6, 4, 4, 4, 4, 3, 2, 5, 7, 5, 4, 3, 3, 3, 3, 2, 2, 4, 5, 4, 4, 2, 3, 3, 2, 2, 2, 3, 4, 4, 3, 3, 3, 2, 1, 2, 1, 2, 3, 2, 3, 3, 2, 2, 2, 2, 1, 2, 2, 3, 3, 2, 1, 2, 2, 1, 2, 2, 3, 3, 2, 2, 2, 1, 2, 1, 1, 2, 3, 2, 2, 2, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

See A106039 for definition of Belgian-k numbers.

row lengths in A257770;

a(A257785(n)) = 1;

For n > 1: a(A007088(n)) = 10.

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 0..10000

PROG

(Haskell)

a257773 = length . a257770_row

CROSSREFS

Cf. A106039, A257770, A257785, A007088.

Sequence in context: A244464 A250201 A252375 * A164898 A100801 A194310

Adjacent sequences:  A257770 A257771 A257772 * A257774 A257775 A257776

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, May 08 2015

STATUS

approved

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Last modified October 23 01:49 EDT 2018. Contains 316518 sequences. (Running on oeis4.)