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A217917 Odd numbers that appear in sequence A217916. 2
1, 5, 9, 11, 15, 17, 27, 29, 39, 41, 47, 49, 55, 61, 65, 69, 73, 79, 85, 89, 93, 111, 117, 119, 125, 137, 149, 153, 155, 161, 175, 181, 191, 193, 195, 211, 227, 231, 243, 255, 267, 269, 275, 279, 287, 295, 301, 307, 315, 317, 329, 335, 347, 349, 355, 357, 359, 361, 365 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Paul D. Hanna, Table of n, a(n) for n = 1..286

FORMULA

a(n) = A217916( (n+1)*(n+2)/2 - 1 ) for n>=1.

CROSSREFS

Cf. A217916.

Sequence in context: A314588 A111318 A314589 * A063213 A314590 A314591

Adjacent sequences:  A217914 A217915 A217916 * A217918 A217919 A217920

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Mar 04 2013

STATUS

approved

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Last modified July 17 23:21 EDT 2019. Contains 325109 sequences. (Running on oeis4.)