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A112052 a(n) = 2*A112051(n)+1. 3
3, 7, 23, 49, 121, 169, 289, 361, 529, 841, 961, 1369, 1681, 1849, 2209, 2809, 3481, 3721, 4489, 5041, 5329, 6241, 6889, 7921, 9409, 10201, 10609, 11449, 11881, 12769, 16129, 17161, 18769, 19321, 22201, 22801, 24649, 26569, 27889, 29929 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
From n>=4 onward seems to be squares of primes (A001248).
LINKS
FORMULA
CROSSREFS
Column 1 of A112070 (row 1 of A112071).
Sequence in context: A058000 A246497 A002715 * A205491 A203253 A179491
KEYWORD
nonn
AUTHOR
Antti Karttunen, Aug 27 2005
STATUS
approved

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Last modified May 23 05:11 EDT 2024. Contains 372758 sequences. (Running on oeis4.)