id:A049454 - OEIS Search Results

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1+Sum_{i=1..n} phi(i)^2.

+0
1

1, 2, 3, 7, 11, 27, 31, 67, 83, 119, 135, 235, 251, 395, 431, 495, 559, 815, 851, 1175, 1239, 1383, 1483, 1967, 2031, 2431, 2575, 2899, 3043, 3827, 3891, 4791, 5047, 5447, 5703, 6279, 6423, 7719, 8043, 8619, 8875, 10475, 10619, 12383 (list; graph; listen)

	OFFSET	`0,2`
	CROSSREFS	`Cf. A005728.` `Sequence in context: A116406 A112843 A036651 this_sequence A095055 A107857 A107858` `Adjacent sequences: A049451 A049452 A049453 this_sequence A049455 A049456 A049457`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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