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A127424 Numbers whose decimal expansion is a concatenation of 3 consecutive decreasing numbers. 5
210, 321, 432, 543, 654, 765, 876, 987, 1098, 11109, 121110, 131211, 141312, 151413, 161514, 171615, 181716, 191817, 201918, 212019, 222120, 232221, 242322, 252423, 262524, 272625, 282726, 292827, 302928, 313029, 323130, 333231, 343332, 353433, 363534 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..35.

EXAMPLE

a(13)=141312 because 14 and 13 and 12 are three consecutive decreasing numbers

MATHEMATICA

Table[FromDigits[Flatten[IntegerDigits[#]&/@Range[n, n-2, -1]]], {n, 2, 40}] (* Harvey P. Dale, Nov 28 2013 *)

CROSSREFS

Cf. A127421-A127424.

Sequence in context: A116200 A125011 A119427 * A074159 A033993 A046386

Adjacent sequences:  A127421 A127422 A127423 * A127425 A127426 A127427

KEYWORD

nonn,base

AUTHOR

Artur Jasinski, Jan 14 2007

EXTENSIONS

Corrected and extended by Harvey P. Dale, Nov 28 2013

STATUS

approved

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Last modified August 9 00:34 EDT 2020. Contains 336309 sequences. (Running on oeis4.)