A308887 Positions of 2's on the spiral defined in A308884.

7, 8, 13, 14, 16, 19, 23, 29, 43, 50, 51, 53, 57, 62, 73, 74, 77, 83, 91, 92, 97, 98, 102, 103, 104, 105, 106, 107, 113, 116, 117, 119, 127, 129, 135, 140, 157, 163, 170, 171, 173, 177, 179, 183, 194, 212, 221, 227, 242, 245, 247, 248, 250, 253, 257, 258, 259, 260, 262, 263, 264

Offset

1,1

Links

Table of n, a(n) for n=1..61.

Crossrefs

Cf. A308884-A308895.

Sequence in context: A156605 A343298 A061905 * A308833 A025156 A228210

Adjacent sequences: A308884 A308885 A308886 * A308888 A308889 A308890

Keyword

nonn

Author

N. J. A. Sloane, Jul 01 2019

Status

approved