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A211772
Nonprime numbers all of whose divisors are numbers whose decimal digits are in ascending order.
2
1, 4, 6, 8, 9, 12, 14, 15, 16, 18, 24, 25, 26, 27, 28, 34, 35, 36, 38, 39, 45, 46, 48, 49, 56, 57, 58, 68, 69, 78, 125, 134, 135, 136, 138, 145, 158, 169, 178, 235, 237, 245, 247, 259, 267, 268, 278, 289, 356, 358, 469, 478, 578, 1345, 1357, 1369, 2479, 2569
OFFSET
1,2
COMMENTS
Sequence is finite with 63 terms, last term is a(63) = 134689.
Complement of A052015 with respect to A190218. Subsequence of A211771.
LINKS
Jaroslav Krizek, Table of n, a(n) for n = 1..63 (complete list).
EXAMPLE
Divisors of 24589: 1, 67, 367, 24589 (all divisors with digits in ascending order).
CROSSREFS
Cf. A052015 (primes with distinct digits in ascending order), A190218 (numbers all of whose divisors are numbers whose decimal digits are in ascending order), A211771 (nonprime numbers with distinct digits in ascending order).
Sequence in context: A064590 A259315 A211771 * A353355 A231573 A327204
KEYWORD
nonn,base,fini,full
AUTHOR
Jaroslav Krizek, May 07 2012
STATUS
approved