

A072484


Triangle in which the nth row contains the n smallest numbers containing the string of digits of n in increasing order.


2



1, 2, 12, 3, 13, 23, 4, 14, 24, 34, 5, 15, 25, 35, 45, 6, 16, 26, 36, 46, 56, 7, 17, 27, 37, 47, 57, 67, 8, 18, 28, 38, 48, 58, 68, 78, 9, 19, 29, 39, 49, 59, 69, 79, 89, 10, 100, 101, 102, 103, 104, 105, 106, 107, 108, 11, 110, 111, 112, 113, 114, 115, 116, 117, 118
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OFFSET

0,2


LINKS

Table of n, a(n) for n=0..64.


EXAMPLE

The triangle begins
1
2 12
3 13 23
4 14 24 34
.....
The 13th row is 13,113,130,131,132,133,134,135,136,137,138,139,213


CROSSREFS

Cf. A072483, A072485.
Sequence in context: A082827 A290100 A302389 * A113698 A048794 A275841
Adjacent sequences: A072481 A072482 A072483 * A072485 A072486 A072487


KEYWORD

base,nonn,tabl


AUTHOR

Amarnath Murthy, Jul 07 2002


EXTENSIONS

Edited by T. D. Noe, Apr 23 2009
Example corrected by Robert Israel, Sep 25 2019


STATUS

approved



