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A109464 Numbers n such that A112131(n) and A112131(n+1) are both Harshad numbers. 0
9, 103207, 106039, 150200, 172003, 303714, 370649, 544019, 952640, 1000129, 1089247, 1104024, 1124514, 1243264, 1668275, 2030120, 2060910, 2304925, 2330000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture: Sequence is infinite.

LINKS

Table of n, a(n) for n=1..19.

EXAMPLE

a(1)=9 because 910/10 = 91 and 101112/6 = 16852.

CROSSREFS

Cf. A109448.

Sequence in context: A185293 A281360 A034995 * A300195 A159344 A120352

Adjacent sequences:  A109461 A109462 A109463 * A109465 A109466 A109467

KEYWORD

base,more,nonn

AUTHOR

Jason Earls, Aug 28 2005

STATUS

approved

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Last modified October 23 03:21 EDT 2018. Contains 316519 sequences. (Running on oeis4.)