A105956 Integers are written in the form abcd...n where "a" means "At position a in this integer there is a digit b"; "b" means: "at position b there is a digit c"; "c" means: "at position c there is a digit d"; ... and "n" means: "at position n there is a digit a".

1, 11, 21, 22, 111, 222, 231, 333, 1111, 2121, 2222, 2323, 2341, 3333, 4141, 4343, 4444, 11111, 22222, 23451, 33333, 44444, 55555, 111111, 212121, 222222, 231231, 232323, 234234, 234561, 252525, 261261, 333333, 414141, 434343

Offset

1,2

Links

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

Example

Integer 231 reads like this:
"At position 2 there is a digit 3" -- which is true;
"At position 3 there is a digit 1" -- which is true again;
"At position 1 there is a digit 2" -- which is also true.

Crossrefs

Sequence in context: A232185 A118853 A117841 * A178413 A050718 A360372

Adjacent sequences: A105953 A105954 A105955 * A105957 A105958 A105959

Keyword

base,easy,nonn

Author

Eric Angelini, Apr 28 2005; corrected May 03 2005

Status

approved