A110029 - OEIS

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A110029

a(n) is the minimal c >= n such that the sum of consecutive integers from n to c is a Niven number.

2

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 13, 12, 14, 16, 17, 19, 19, 18, 21, 20, 21, 23, 25, 24, 29, 28, 27, 32, 31, 30, 32, 37, 35, 38, 37, 36, 39, 40, 41, 40, 43, 42, 45, 46, 45, 49, 49, 48, 51, 50, 53, 56, 55, 54, 56, 58, 60, 59, 61, 60, 65, 66, 63, 66, 67, 67, 68, 70, 71, 70, 73, 72

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OFFSET

1,2

LINKS

Table of n, a(n) for n=1..72.

EXAMPLE

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

CROSSREFS

Cf. A005349, A110030, A110031.

Sequence in context: A235027 A337304 A325402 * A302027 A302028 A367600

Adjacent sequences: A110026 A110027 A110028 * A110030 A110031 A110032

KEYWORD

base,easy,nonn

AUTHOR

Jason Earls, Jul 08 2005

STATUS

approved