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.

1, 2, 4, 17, 62

Offset

2,2

Links

Table of n, a(n) for n=2..6.

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: A266868 A203177 A389693 * A014522 A020035 A112005

Adjacent sequences: A096119 A096120 A096121 * A096123 A096124 A096125

Keyword

nonn

Author

Ray G. Opao, Jul 23 2004

Status

approved