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A171904
Smallest number m such that m and m+n have both at least two identical neighboring digits in their decimal representations.
3
99, 110, 110, 110, 110, 110, 110, 110, 110, 100, 11, 88, 99, 99, 99, 99, 99, 99, 99, 99, 112, 11, 77, 88, 88, 88, 88, 88, 88, 88, 88, 112, 11, 66, 77, 77, 77, 77, 77, 77, 77, 77, 112, 11, 55, 66, 66, 66, 66, 66, 66, 66, 66, 112, 11, 44, 55, 55, 55, 55, 55, 55, 55, 55
OFFSET
1,1
COMMENTS
a(n) + n = A171901(k) for some k.
LINKS
FORMULA
A196368(a(n)) + A196368(a(n)+n) = 0. - Reinhard Zumkeller, Jan 31 2014
PROG
(Haskell)
a171904 n = head [m | m <- a171901_list, a196368 (m + n) == 0]
-- Reinhard Zumkeller, Jan 31 2014
CROSSREFS
KEYWORD
base,nonn,look
AUTHOR
Reinhard Zumkeller, Feb 07 2010
STATUS
approved