A067922 Engel expansion of log(5).

1, 2, 5, 11, 27, 33, 103, 110, 133, 193, 999, 1921, 5277, 39085, 279568, 365167, 870685, 1539231, 3794071244, 9761250028, 10906977906, 18144658921, 103136388637, 134389561244, 139712478096, 667384153244, 731220192045, 1317705035571, 1664555384503, 3008856758047

Offset: 1

Author

Benoit Cloitre, Mar 03 2002

Keywords

• easy
• nonn

Crossrefs

See A006784 for explanation of Engel expansions.

Cf. A016628.

Programs

PARI

\\ a(1)=1 and for n>1:
s=log(5); for(i=1,30,s=s*ceil(1/s)-1; print1(ceil(1/s),","); );