1,2

Table of n, a(n) for n=1..53.

Prime(n+1)^2-Prime(n)^2 = a+k*(Prime(n+1)) "a" element of {0, 1, ..., Prime(n+1)-1}

3^2-2^2=2+1*3; 5^2-3^2=1+3*5; 7^2-5^2=3+3*7; 11^2-7^2=6+6*11; 13^2-11^2=9+3*13; etc.

Cf. A113396.

Sequence in context: A110634 A324467 A151787 * A226602 A307000 A007425

Adjacent sequences: A113394 A113395 A113396 * A113398 A113399 A113400

nonn

Marian Kraus, Oct 26 2005

approved