A282695 A055265(n) - n.

0, 0, 0, 0, 2, 0, -2, 0, 0, 0, 2, 4, 2, 0, 2, -4, -6, 0, 0, 2, 0, -2, 0, 0, 4, 4, 4, 0, -4, 4, -4, -6, 0, 4, 0, -4, 2, 2, 4, -4, -4, 0, -2, 4, 4, 6, -2, -4, 4, 0, -4, 2, 2, -8, -4, 0, 0, 12, 2, 6, 4, 0, 6, -6, 8, -2, -4, 0, -10, 2, -4, -12, -2, 4, 4, 8, 6, -4, -4, -4, 0, 0, 2, 4, 6, 4, -10, -8, -2, -4

Offset: 1

Author

N. J. A. Sloane, Feb 24 2017

Keywords

• sign

Comments

There is no proof at present for the conjecture that A055265 is a permutation of the positive integers. This sequence gives the remarkably small deviations from the identity sequence.

Links

• N. J. A. Sloane, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A055265.

For records see A282696, A282697.

Programs

Maple

A282695 := proc(n)
    A055265(n)-n ;
end proc:
seq(A282695(n),n=1..100) ; # R. J. Mathar, Feb 25 2017