OFFSET
1,3
COMMENTS
The successive zeros of the sequence could be replaced by the successive primes; the sequence would then start with 2, -1, -4, 6, -8, 9, 3, -10, 12, -14, 15, 5, -16, -18, 20, 21, 22, -24, 7, -25, 26, -27, -28, 30, 32, 33, -34, 11, -35, ...
LINKS
Carole Dubois, Table of n, a(n) for n = 1..499
EXAMPLE
2 is the result of (-1) + (-4) + 6 + (-8) + 9,
3 is the result of (-10) + 12 + (-14) + 15,
5 is the result of (-16) + (-18) + 20 + 21 + 22 + (-24),
7 is the result of (-25) + 26 + (-27) + (-28) + 30 + 32 + 33 + (-34),
11 is the result of (-35) + (-36) + (-38) + 39 + 40 + 42 + 44 + (-45).
etc.
CROSSREFS
KEYWORD
sign
AUTHOR
Eric Angelini and Carole Dubois, Oct 08 2020
STATUS
approved