A138481 Mutually-praising pairs excluding autobiographical numbers A046043. Version 1: both numbers in a pair have at most 10 digits.
130, 230, 430, 530, 630, 730, 1101, 2210, 10110, 11200, 23100, 43100, 53100, 63100, 211100, 230100, 311100, 411100, 430100, 511100, 530100, 611100, 630100, 711100, 1001100, 2300100, 4211000, 4300100, 5211000, 5300100, 6211000, 6300100
Offset: 1
Examples
130 and 1101 are a mutually-praising pair: 130 specifies a number with 1 digit equal to "0", 3 digit "1" and nothing else. 1101 specifies 1 digit "0", 1 digit "1", no digits "2" and 1 digit "3".
Links
- Martin Fuller, Table of n, a(n) for n = 1..74
- Tanya Khovanova, Autobiographical Numbers
Extensions
More terms from Joshua Zucker, Mar 19 2008 and Martin Fuller, Mar 20 2008