OFFSET
1,2
COMMENTS
It seems that a(n+1) <= a(n)+2 for all n.
Also: indices n for which A246810(k) > A246810(n) for all k > n. The missing numbers are {9, 16, 20, 22, 24, 31, 34, ...}, I conjecture that these are exactly the indices for which A246810(n+1) < A246810(n). - M. F. Hasler, Oct 16 2014
Searched A182134(n) through n=10^12. - Robert Price, Nov 01 2014
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Farideh Firoozbakht and Jahangeer Kholdi, Oct 10 2014
EXTENSIONS
a(31)-a(39) from Robert Price, Oct 24 2014
a(40)-a(53) from Robert Price, Nov 01 2014
STATUS
approved