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A074929 a(n)>0 such that p(n)*p(n+1)-a(n) is a maximal square. 0
2, 6, 10, 13, 22, 25, 34, 37, 42, 58, 58, 73, 82, 85, 90, 102, 118, 118, 133, 142, 142, 157, 162, 169, 193, 202, 205, 214, 217, 190, 253, 258, 274, 262, 298, 298, 310, 325, 330, 342, 358, 346, 382, 385, 394, 373, 397, 445, 454, 457, 462, 478, 466, 498, 510 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..55.

EXAMPLE

a(1) = 2 because p(1)*p(2) - 2 = 4 -> square, a(2) = 6 because p(2)*p(3) - 6 = 9 -> square.

CROSSREFS

Sequence in context: A023419 A183990 A049838 * A095270 A263827 A281974

Adjacent sequences:  A074926 A074927 A074928 * A074930 A074931 A074932

KEYWORD

nonn

AUTHOR

Zak Seidov, Oct 02 2002

STATUS

approved

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Last modified May 30 17:45 EDT 2020. Contains 334728 sequences. (Running on oeis4.)