A333762 Fixed points of A333692.

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 31, 32, 33, 34, 36, 40, 42, 48, 55, 56, 60, 62, 63, 64, 65, 66, 68, 72, 73, 80, 84, 85, 96, 103, 110, 112, 120, 124, 126, 127, 128, 129, 130, 132, 136, 144, 146, 160, 168, 170, 181

Offset: 1

Author

Rémy Sigrist, Apr 04 2020

Keywords

• nonn
• base

Comments

For any n >= 0, n belongs to this sequence iff 2*n also belongs to this sequence.

This sequence contains A000079, A000225, A018900, A023758, A295235.

Crossrefs

Cf. A000079, A000225, A018900, A023758, A295235, A333692, A333693.

Programs

PARI

is(n, base=2)={ my (b=digits(n, base), p=[]); for (k=1, #b, p=concat(p, b[k]); if (b[k], p=Vecrev(p))); n==fromdigits(p, base) }