OFFSET
1,2
COMMENTS
There are 61 terms; all the multi-digit terms are even.
EXAMPLE
a(60)=6379128 and a(61)=8219736 because both 6379128 and its reversal, 8219736, are Lynch-Bell numbers (A115569) -- and there are no intervening (or indeed any other) 7-digit such terms.
CROSSREFS
KEYWORD
base,fini,full,nonn
AUTHOR
Rick L. Shepherd, Apr 05 2006
STATUS
approved