A105958 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 nothing. No repetitions are allowed (like in the integer 111).

11, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 212, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 322, 2312, 2340, 2341, 2342, 2343, 2344, 2345, 2346, 2347, 2348, 2349, 2433, 4323, 23412, 23450, 23451, 23452, 23453, 23454, 23455, 23456, 23457, 23458

Offset

1,1

Links

Table of n, a(n) for n=1..46.

Manfred Arens Selbstbezuegliche Zahlen vom Typ 2

Example

Integer 2433 reads like this:
"At position 2 there is a digit 4" -- which is true;
"At position 4 there is a digit 3" -- which is true again;
"At position 3 there is a digit 3" -- which is also true.

Crossrefs

Sequence in context: A063589 A102815 A105957 * A124250 A124251 A279431

Adjacent sequences: A105955 A105956 A105957 * A105959 A105960 A105961

Keyword

base,easy,nonn

Author

Eric Angelini, Apr 28 2005

Status

approved