A369703 Numbers X such that X^2 + Y^2 = 2^(2*k) + 1 and X > Y > 0 and k is the binary digit length of X-1.

2, 4, 7, 8, 16, 25, 31, 32, 56, 64, 92, 103, 127, 128, 256, 409, 424, 428, 473, 484, 496, 511, 512, 904, 1024, 1639, 1676, 2047, 2048, 3041, 3359, 4064, 4096, 6476, 6553, 6887, 6956, 7681, 8161, 8191, 8192, 14456, 16384, 24065, 24935, 25508, 26060, 26215, 28360

Offset

1,1

Links

A.H.M. Smeets, Table of n, a(n) for n = 1..815

Crossrefs

Cf. A368418 (base 10).

Sequence in context: A019539 A327099 A338888 * A337744 A045594 A013056

Adjacent sequences: A369700 A369701 A369702 * A369704 A369705 A369706

Keyword

nonn,base

Author

A.H.M. Smeets, Jan 29 2024

Status

approved