id:A145022 - OEIS Search Results

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

+0
12

41, 61, 89, 113, 149, 157, 181, 193, 233, 269, 277, 313, 317, 337, 389, 421, 433, 557, 569, 613, 617, 709, 761, 773, 853, 881, 929, 937, 1013, 1109, 1117, 1129, 1201, 1213, 1301, 1409, 1429, 1553, 1637, 1741, 1753, 1861, 1873, 1901, 1997, 2113, 2137, 2153 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(1)=41 since p=41 is the least prime of the form 4k+1 for which p-(floor(sqrt(p)))^2 is not a full square, but 2p-(floor(sqrt(2p)))^2 is a full square (for p=41 it is 1)`
	CROSSREFS	`A145016` `Sequence in context: A067832 A126242 A110411 this_sequence A154763 A141881 A139952` `Adjacent sequences: A145019 A145020 A145021 this_sequence A145023 A145024 A145025`
	KEYWORD	`nonn`
	AUTHOR	`Vladimir Shevelev (shevelev(AT)bgu.ac.il), Sep 29 2008`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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