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A084537 Duplicate of A002061. 0
1, 1, 3, 7, 13, 21, 31, 43, 57, 73, 91, 111, 133, 157, 183, 211, 241, 273, 307, 343, 381, 421 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..21.

CROSSREFS

Sequence in context: A115298 A161206 A025728 * A002061 A247890 A063541

Adjacent sequences:  A084534 A084535 A084536 * A084538 A084539 A084540

KEYWORD

dead

STATUS

approved

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Last modified October 17 14:25 EDT 2018. Contains 316281 sequences. (Running on oeis4.)