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A333778
Fixed points of A333776.
1
0, 1, 2, 3, 4, 7, 8, 10, 15, 16, 29, 31, 32, 36, 42, 57, 63, 64, 86, 113, 127, 128, 136, 170, 225, 251, 255, 256, 292, 338, 449, 477, 499, 511, 512, 528, 588, 674, 682, 897, 949, 995, 1023, 1024, 1172, 1346, 1390, 1793, 1849, 1893, 1987, 2039, 2047, 2048, 2080
OFFSET
1,3
COMMENTS
This sequence contains A000079, A000225.
PROG
(PARI) is(n, base=2) = { my (d=digits(n, base), t=[]); forstep (k=#d, 1, -1, if (d[k], t=Vecrev(t); ); t=concat(d[k], t)); n==fromdigits(t, base) }
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Rémy Sigrist, Apr 05 2020
STATUS
approved