id:A077222 - OEIS Search Results

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a(1) = 1 and then alternately the smallest even and odd numbers not occurring earlier such that the sum of two successive terms is a square.

+0
2

1, 8, 17, 32, 49, 72, 9, 16, 33, 48, 73, 96, 25, 24, 57, 64, 105, 120, 169, 56, 65, 104, 121, 168, 193, 248, 41, 40, 81, 88, 137, 152, 209, 80, 89, 136, 153, 208, 233, 128, 97, 192, 249, 112, 113, 176, 185, 256, 273, 352, 177, 184, 257, 272, 353, 376, 465, 160 (list; graph; listen)

	OFFSET	`0,2`
	CROSSREFS	`Cf. A077221.` `Sequence in context: A056121 A028884 A099358 this_sequence A077221 A106648 A076980` `Adjacent sequences: A077219 A077220 A077221 this_sequence A077223 A077224 A077225`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 03 2002`
	EXTENSIONS	`Corrected and extended by John W. Layman (layman(AT)math.vt.edu), Jan 12 2005`

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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.

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