id:A066886 - OEIS Search Results

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Sum of the elements in any transversal of a p(n) by p(n) array containing the numbers from 1 to p(n)^2 in standard order.

+0
4

5, 15, 65, 175, 671, 1105, 2465, 3439, 6095, 12209, 14911, 25345, 34481, 39775, 51935, 74465, 102719, 113521, 150415, 178991, 194545, 246559, 285935, 352529, 456385, 515201, 546415, 612575, 647569, 721505, 1024255, 1124111, 1285745 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`a(n) is the sum of the primes in a p(n) by p(n) example of Haga's conjecture (see link below).`
	LINKS	`Carlos Rivera, The prime puzzles & problems connection, conjecture 26`
	FORMULA	`a(n) = p(n)*(p(n)^2+1)/2, where p(n) is the n-th prime.`
	MATHEMATICA	`a[n_] := Prime[n](Prime[n]^2+1)/2`
	CROSSREFS	`Cf. A066883, A066885, A006003.` `Sequence in context: A001552 A110614 A019045 this_sequence A079569 A101553 A032122` `Adjacent sequences: A066883 A066884 A066885 this_sequence A066887 A066888 A066889`
	KEYWORD	`easy,nonn`
	AUTHOR	`Enoch Haga (Enokh(AT)comcast.net), Jan 22 2002`
	EXTENSIONS	`Edited by Dean Hickerson (dean(AT)math.ucdavis.edu), Jun 08 2002`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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