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A327867 Even bisection of Möbius transform of A064664, the inverse of EKG-sequence. 1
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

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

Index entries for sequences related to EKG sequence

FORMULA

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

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

CROSSREFS

Cf. A064413, A064664, A304526.

Sequence in context: A108437 A226029 A152765 * A286664 A306541 A242242

Adjacent sequences:  A327864 A327865 A327866 * A327868 A327869 A327870

KEYWORD

sign

AUTHOR

Antti Karttunen, Sep 30 2019

STATUS

approved

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Last modified May 14 16:48 EDT 2021. Contains 343898 sequences. (Running on oeis4.)