A333778 Fixed points of A333776.

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.

Links

Table of n, a(n) for n=1..55.

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

Cf. A000079, A000225, A333776, A333777.

Sequence in context: A240073 A332579 A357490 * A272919 A343603 A285506

Adjacent sequences: A333775 A333776 A333777 * A333779 A333780 A333781

Keyword

nonn,base

Author

Rémy Sigrist, Apr 05 2020

Status

approved