A327867 Even bisection of Möbius transform of A064664, the inverse of EKG-sequence.

1, 1, -2, 5, -2, 2, -2, 9, 7, 8, -2, 4, -2, 12, 15, 14, -2, 15, -2, 17, 23, 21, -2, 20, 23, 19, 20, 18, -2, 18, -2, 33, 41, 32, 33, 24, -2, 34, 44, 23, -2, 27, -2, 33, 25, 44, -2, 32, 43, 31, 64, 42, -2, 32, 53, 46, 67, 48, -2, 32, -2, 60, 39, 58, 62, 40, -2, 62, 90, 44, -2, 44, -2, 78, 37, 70, 51, 55, -2, 58, 47, 84, -2, 50

Offset: 1

Author

Antti Karttunen, Sep 30 2019

Keywords

• sign

Links

• Antti Karttunen, Table of n, a(n) for n = 1..16384
• Index entries for sequences related to EKG sequence

Crossrefs

Cf. A064413, A064664, A304526.

Formula

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

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