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A324481 Index of first occurrence of n in the spiral shown in A274641. 3
0, 1, 2, 3, 7, 8, 26, 27, 30, 34, 35, 48, 55, 62, 63, 80, 101, 119, 130, 131, 155, 180, 210, 224, 253, 254, 271, 303, 305, 321, 322, 323, 419, 483, 504, 505, 568, 571, 573, 624, 649, 650, 728, 755, 810, 812, 840, 898, 953, 954, 956, 957, 959, 960, 1189 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Also index of first occurrence of n+1 in the spiral shown in A274640.

LINKS

N. J. A. Sloane, Table of n, a(n) for n = 0..223

CROSSREFS

Cf. A274640, A274641.

Sequence in context: A029790 A206725 A129645 * A112994 A056036 A056432

Adjacent sequences:  A324478 A324479 A324480 * A324482 A324483 A324484

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Mar 11 2019

STATUS

approved

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Last modified September 17 12:45 EDT 2019. Contains 327131 sequences. (Running on oeis4.)