A110030 - OEIS

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A110030

Number of consecutive integers starting with n needed to sum to a Niven number.

2

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 2, 3, 3, 4, 3, 1, 3, 1, 1, 2, 3, 1, 5, 3, 1, 5, 3, 1, 2, 6, 3, 5, 3, 1, 3, 3, 3, 1, 3, 1, 3, 3, 1, 4, 3, 1, 3, 1, 3, 5, 3, 1, 2, 3, 4, 2, 3, 1, 5, 5, 1, 3, 3, 2, 2, 3, 3, 1, 3, 1, 3, 3, 3, 2, 3, 5, 3, 1, 1, 5, 3, 1, 2, 3, 3, 5, 3, 1, 4, 9, 4, 3, 3, 9, 2, 5, 3, 1, 3, 1, 2, 2, 6

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OFFSET

1,11

LINKS

Table of n, a(n) for n=1..105.

EXAMPLE

a(25)=5 because 25 + 26 + 27 + 28 + 29 = 135 and 135/9 = 15, 5 consecutive

integers are needed.

CROSSREFS

Cf. A005349, A110029, A110031.

Sequence in context: A337566 A106601 A325533 * A211948 A021766 A286357

Adjacent sequences: A110027 A110028 A110029 * A110031 A110032 A110033

KEYWORD

base,easy,nonn

AUTHOR

Jason Earls, Jul 08 2005

STATUS

approved