OFFSET
1,2
LINKS
T. D. Noe, Table of n, a(n) for n = 1..1000
MATHEMATICA
Table[k = 1; While[! IntegerQ[q = Log[2, Prime[n+k] - Prime[k]]], k++]; q, {n, 100}]
CROSSREFS
KEYWORD
nonn
AUTHOR
T. D. Noe, Apr 23 2012
STATUS
approved