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A071317
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a(n) = a(n-1) + sum of digits of n^2.
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3
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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; refs; listen; history; internal format)
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OFFSET
| 0,2
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MATHEMATICA
| s=0; Do[s=s+Apply[Plus, IntegerDigits[n^2]]; Print[s], {n, 1, 128}]
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CROSSREFS
| Cf. A037123, A000788, A051351.
Sequence in context: A022139 A143707 A003248 * A167201 A048769 A190514
Adjacent sequences: A071314 A071315 A071316 * A071318 A071319 A071320
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KEYWORD
| easy,nonn,base
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AUTHOR
| Labos E. (labos(AT)ana.sote.hu), May 27 2002
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