id:A100555 - OEIS Search Results

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Smallest square that is equal to the sum of n not-necessarily-distinct primes plus 1.

+0
5

1, 4, 9, 9, 9, 16, 16, 16, 25, 25, 25, 25, 25, 36, 36, 36, 36, 36, 49, 49, 49, 49, 49, 49, 49, 64, 64, 64, 64, 64, 64, 64, 81, 81, 81, 81, 81, 81, 81, 81, 81, 100, 100, 100, 100, 100, 100, 100, 100, 100, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 144, 144 (list; graph; listen)

	OFFSET	`0,2`
	EXAMPLE	`a(1)=4 because 2^2=1+3.` `a(2)=9 because 3^2=1+3+5.` `a(3)=9 because 3^2=1+2+3+3.` `a(4)=9 because 3^2=1+2+2+2+2.`
	CROSSREFS	`Cf. A100498, A101776-A101778.` `Sequence in context: A021671 A011512 A157300 this_sequence A140978 A106410 A065737` `Adjacent sequences: A100552 A100553 A100554 this_sequence A100556 A100557 A100558`
	KEYWORD	`nonn`
	AUTHOR	`Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Dec 31 2004`
	EXTENSIONS	`Corrected and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Jan 10 2005`

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

AT&T Labs Research