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A066644
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Floor[surface area of a sphere with radius n].
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3
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12, 50, 113, 201, 314, 452, 615, 804, 1017, 1256, 1520, 1809, 2123, 2463, 2827, 3216, 3631, 4071, 4536, 5026, 5541, 6082, 6647, 7238, 7853, 8494, 9160, 9852, 10568, 11309, 12076, 12867, 13684, 14526, 15393, 16286, 17203, 18145, 19113, 20106
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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Harry J. Smith, Table of n, a(n) for n=1,...,1000
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FORMULA
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Floor[4*pi*n^2].
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MATHEMATICA
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Table[ Floor[4Pi*n^2], {n, 1, 50} ]
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PROG
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(PARI) { for (n=1, 1000, write("b066644.txt", n, " ", floor(4*Pi*n^2)) ) } [From Harry J. Smith, Mar 16 2010]
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CROSSREFS
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Sequence in context: A009932 A009933 A009930 * A009934 A009927 A009938
Adjacent sequences: A066641 A066642 A066643 * A066645 A066646 A066647
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KEYWORD
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easy,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Dec 29 2001
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EXTENSIONS
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More terms from Robert G. Wilson v, Jan 03 2002
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STATUS
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approved
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