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A331632
Distinct values of A055945 in order of their appearance as n grows.
2
0, 1, 3, 7, 5, -2, 9, 2, 15, -6, 21, 6, 31, 17, -14, 27, -4, 13, -18, 35, 4, -10, 45, 14, 41, 10, 49, 18, 63, 33, -30, 51, -12, -42, 75, 12, 93, 30, 81, 105, 42, 127, 65, -62, 99, -28, 37, -90, 119, -8, 57, -70, 91, -36, 29, -98, 135, 8, 73, -54, 107, -20, -82
OFFSET
1,3
LINKS
Rémy Sigrist, Colored scatterplot of the first 74383 terms (where the color is function of the 2-adic valuation of the least k such that a(n) = A055945(k))
EXAMPLE
A055945 starts: 0, 0, 1, 0, 3, 0, 3, 0, 7, 0, 5, -2, 9, 2, 7, 0, 15, 0, ...
We keep: 0, 1, 3, 7, 5, -2, 9, 2, 15, ...
PROG
(PARI) s=[]; for (n=0, 151, v=n-fromdigits(Vecrev(binary(n)), 2); if (!setsearch(s, v), print1 (v ", "); s=setunion(s, [v])))
CROSSREFS
KEYWORD
sign,base
AUTHOR
Rémy Sigrist, Jan 23 2020
STATUS
approved