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A116132 Numbers k such that k concatenated with k-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
EXAMPLE
92776472//92776468 = 96320541 * 96320548, where // denotes concatenation.
CROSSREFS
Sequence in context: A278378 A324523 A145695 * A257534 A063680 A277841
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, Feb 06 2006
STATUS
approved

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Last modified May 26 02:25 EDT 2024. Contains 372807 sequences. (Running on oeis4.)