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A116132 Numbers n such that n concatenated with n-4 gives the product of two numbers which differ by 7. 6
74, 59264, 510782, 906902, 81790664, 92776472, 10876856041862, 11796926254874, 18332259798794, 18388650720624, 32624670587648, 32699883214248, 43103618706398, 44916698243804, 66132258426302 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..15.

EXAMPLE

92776472//92776468 = 96320541 * 96320548, where // denotes concatenation.

CROSSREFS

Cf. A116119, A116131, A116133, A116205, A116263.

Sequence in context: A278378 A324523 A145695 * A257534 A063680 A277841

Adjacent sequences:  A116129 A116130 A116131 * A116133 A116134 A116135

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Feb 06 2006

STATUS

approved

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Last modified September 21 12:35 EDT 2019. Contains 327253 sequences. (Running on oeis4.)