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A308887 Positions of 2's on the spiral defined in A308884. 1
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified June 16 04:56 EDT 2021. Contains 345056 sequences. (Running on oeis4.)