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A141129 a(n) = prime(n^2)-n^2. 2
1, 3, 14, 37, 72, 115, 178, 247, 338, 441, 540, 683, 840, 997, 1202, 1363, 1590, 1819, 2076, 2341, 2642, 2977, 3274, 3635, 4012, 4375, 4790, 5223, 5640, 6097, 6612, 7137, 7648, 8185, 8706, 9331, 9952, 10605, 11222, 11899, 12646, 13337, 14028, 14811 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..44.

FORMULA

a(n) = A014689(n^2) = A014689(A000290(n)). - Michel Marcus, Feb 02 2015

EXAMPLE

If n=1, then a(1) = prime(1*1)-1*1 = prime(1)-1 = 2-1 = 1.

If n=5, then a(5) = prime(5*5)-5*5 = prime(25)-25 = 97-25 = 72.

MATHEMATICA

Table[n2=n^2; Prime[n2]-n2, {n, 50}] (* Harvey P. Dale, Apr 20 2012 *)

CROSSREFS

Sequence in context: A167858 A179132 A068044 * A143941 A162147 A319791

Adjacent sequences:  A141126 A141127 A141128 * A141130 A141131 A141132

KEYWORD

nonn

AUTHOR

Juri-Stepan Gerasimov Jul 31 2008

EXTENSIONS

Corrected and extended by D. S. McNeil, Mar 21 2009

STATUS

approved

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Last modified June 25 05:41 EDT 2019. Contains 324346 sequences. (Running on oeis4.)