id:A071317 - OEIS Search Results

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a(n) = a(n-1) + sum of digits of n^2.

+0
4

1, 5, 14, 21, 28, 37, 50, 60, 69, 70, 74, 83, 99, 115, 124, 137, 156, 165, 175, 179, 188, 204, 220, 238, 251, 270, 288, 307, 320, 329, 345, 352, 370, 383, 393, 411, 430, 443, 452, 459, 475, 493, 515, 534, 543, 553, 566, 575, 582, 589, 598, 611, 630, 648, 658 (list; graph; listen)

	OFFSET	`0,2`
	MATHEMATICA	`s=0; Do[s=s+Apply[Plus, IntegerDigits[n^2]]; Print[s], {n, 1, 128}]`
	CROSSREFS	`Cf. A037123, A000788, A051351.` `Sequence in context: A071852 A022139 A003248 this_sequence A048769 A085950 A043473` `Adjacent sequences: A071314 A071315 A071316 this_sequence A071318 A071319 A071320`
	KEYWORD	`easy,nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), May 27 2002`

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Last modified July 6 17:22 EDT 2008. Contains 140988 sequences.

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