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A096122
a(n) is the exponent of 2 in x = 2^m*5^n, where x = b(n)-b(n-1) and b(n) and b(n-1) are consecutive terms in A050649.
0
1, 2, 4, 17, 62
OFFSET
2,2
EXAMPLE
a(3) = 2: b(3)-b(2) = 2512-12 = 2500; 2500 = 2^2*5^4, hence a(3)=2.
CROSSREFS
Cf. A050649.
Sequence in context: A276557 A266868 A203177 * A014522 A020035 A112005
KEYWORD
nonn
AUTHOR
Ray G. Opao, Jul 23 2004
STATUS
approved