OFFSET
1,2
PROG
(PARI) A155893(n)={ local( F=1, k=1 ); while( F\1!=n, F*=k++; while( F>=n+1, F/=8 )); k}
CROSSREFS
KEYWORD
base,nonn
AUTHOR
M. F. Hasler, Feb 01 2009
STATUS
approved