id:A145023 - OEIS Search Results

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Primes of the form 4k+1 for which s=5 is the least positive integer such that sp-(floor(sqrt(sp)))^2 is a full square

+0
10

353, 373, 449, 461, 521, 541, 593, 653, 673, 757, 769, 797, 821, 829, 941, 953, 1009, 1021, 1061, 1069, 1097, 1193, 1217, 1249, 1277, 1361, 1381, 1481, 1489, 1549, 1597, 1613, 1657, 1669, 1693, 1709, 1733, 1777, 1801, 1877, 1889, 1973, 2053, 2069, 2081 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(1)=353 since p=353 is the least prime of the form 4k+1 for which sp-(floor(sqrt(sp)))^2 is not a full square for s=1,...,4, but 5p-(floor(sqrt(5p)))^2 is a full square (for p=353 it is 1)`
	CROSSREFS	`A002144 A145016 A145022` `Sequence in context: A145633 A156177 A104160 this_sequence A058375 A059635 A003294` `Adjacent sequences: A145020 A145021 A145022 this_sequence A145024 A145025 A145026`
	KEYWORD	`nonn`
	AUTHOR	`Vladimir Shevelev (shevelev(AT)bgu.ac.il), Sep 29 2008`

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

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