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Search: id:A071253
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| 0, 2, 20, 90, 272, 650, 1332, 2450, 4160, 6642, 10100, 14762, 20880, 28730, 38612, 50850, 65792, 83810, 105300, 130682, 160400, 194922, 234740, 280370, 332352, 391250, 457652, 532170, 615440, 708122, 810900, 924482, 1049600, 1187010, 1337492, 1501850, 1680912
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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a(n)= A002522(n)*A000290(n) - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Apr 20 2008
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REFERENCES
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T. A. Gulliver, Sequences from Arrays of Integers, Int. Math. Journal, Vol. 1, No. 4, pp. 323-332, 2002.
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MAPLE
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with(combinat):seq(lcm(fibonacci(3, n), n^2), n=0..35); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Apr 20 2008
a:=n->add(n+add(n+add(n, j=1..n-1), j=1..n), j=1..n):seq(a(n), n=0..21); [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Aug 27 2008]
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CROSSREFS
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Cf. A069187.
Sequence in context: A135188 A098077 A063663 this_sequence A069187 A033840 A086755
Adjacent sequences: A071250 A071251 A071252 this_sequence A071254 A071255 A071256
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KEYWORD
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nonn
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AUTHOR
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njas, Jun 12 2002
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