

A035333


Concatenation of two or more consecutive positive integers.


10



12, 23, 34, 45, 56, 67, 78, 89, 123, 234, 345, 456, 567, 678, 789, 910, 1011, 1112, 1213, 1234, 1314, 1415, 1516, 1617, 1718, 1819, 1920, 2021, 2122, 2223, 2324, 2345, 2425, 2526, 2627, 2728, 2829, 2930, 3031, 3132, 3233, 3334, 3435, 3456, 3536, 3637
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

1,1


LINKS

Paul Tek, Table of n, a(n) for n = 1..10000


CROSSREFS

For concatenations of exactly k consecutive integers see A000027 (k=1), A127421 (k=2), A001703 (k=3), A279204 (k=4).
See also A007908 for concatenation of 1 through n.
For primes see A052087.
All of A007908, A052087, A053067, A279610 are subsequences.
Sequence in context: A098953 A228157 A072485 * A001704 A127421 A112131
Adjacent sequences: A035330 A035331 A035332 * A035334 A035335 A035336


KEYWORD

easy,nonn,base


AUTHOR

Erich Friedman


EXTENSIONS

Edited by Charles R Greathouse IV, Apr 28 2010
Corrected by Paul Tek, Jun 08 2013


STATUS

approved



