A130538 a(n) = exponent x of n needed to obtain A130537(n)= n^(a(n)) + ((n+1)^(a(n)+1)).

0, 1, 0, 1, 0, 2, 1, 1, 0, 1, 0, 1, 5, 1, 0, 15, 0, 1, 1, 1, 0, 3, 1, 3, 1, 2, 0, 9, 0, 1, 3, 12, 23, 1, 0, 2, 1, 1, 0, 1, 0, 5, 1, 1, 0, 3, 1, 2, 1, 2, 0, 1, 1, 1, 1, 6, 0, 1, 0, 3

Offset

1,6

Links

Table of n, a(n) for n=1..60.

Example

a(16)=15 because A130537(16) =49814113380273715457 = 16 ^ 15 + 17 ^ 16 = 1152921504606846976 + 48661191875666868481;

Crossrefs

Cf. A130537.

Sequence in context: A081400 A328194 A131963 * A276007 A351619 A078659

Adjacent sequences: A130535 A130536 A130537 * A130539 A130540 A130541

Keyword

nonn

Author

Tomas Xordan, Jun 02 2007

Status

approved