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A308885 Positions of 0's on the spiral defined in A308884. 3
0, 1, 2, 3, 20, 25, 30, 35, 36, 37, 40, 41, 42, 47, 48, 49, 54, 55, 56, 63, 65, 70, 79, 88, 94, 95, 110, 112, 114, 115, 121, 123, 125, 126, 132, 134, 137, 138, 141, 143, 144, 145, 147, 149, 150, 152, 154, 155, 156, 162, 165, 167, 168, 169, 175, 178, 180, 181, 182, 195, 197 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

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

CROSSREFS

Cf. A308884-A308895.

Sequence in context: A041093 A154746 A042781 * A136886 A191423 A195686

Adjacent sequences:  A308882 A308883 A308884 * A308886 A308887 A308888

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jul 01 2019

STATUS

approved

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Last modified September 25 18:51 EDT 2021. Contains 347659 sequences. (Running on oeis4.)