The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 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 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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

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