A379874 Nonpositive values in A377091, negated, in order of appearance and with offset 0.

0, 2, 1, 4, 3, 8, 7, 6, 5, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 40, 36, 35, 34, 33, 37, 38, 39, 50, 41, 42, 43, 44, 45, 46, 47, 48, 49, 60, 51, 52, 53, 54, 55, 56, 57, 58, 59, 72, 63, 62, 61, 65, 64, 68

Offset

0,2

Comments

Conjecture: this sequence is a permutation of the nonnegative integers.

Links

Rémy Sigrist, Table of n, a(n) for n = 0..10000

Rémy Sigrist, PARI program

Example

A377091 begins:
    0, 1, 2, -2, -1, 3, 4, 5, -4, -3, 6, 7, 8, -8, -7, -6, -5, -9, -10, -11, -12, 13
So the present sequence begins:
    0,        2,  1,           4,  3,           8,  7,  6,  5,  9,  10,  11,  12

Prog

(PARI) \\ See Links section.

Crossrefs

Cf. A377091, A379873.

Sequence in context: A294022 A076077 A152194 * A268630 A087787 A182712

Adjacent sequences: A379871 A379872 A379873 * A379875 A379876 A379877

Keyword

nonn

Author

Rémy Sigrist, Jan 05 2025

Status

approved