1,3

Antti Karttunen, Table of n, a(n) for n = 1..16384

Index entries for sequences related to EKG sequence

a(n) = A304526(2*n).

a(p) = -2 for all odd primes p.

Cf. A064413, A064664, A304526.

Sequence in context: A108437 A226029 A152765 * A286664 A306541 A242242

Adjacent sequences: A327864 A327865 A327866 * A327868 A327869 A327870

sign

Antti Karttunen, Sep 30 2019

approved