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A048951
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(2,4) Ulam sequence
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3
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2, 4, 6, 8, 12, 16, 22, 26, 32, 36, 52, 56, 72, 76, 94, 96, 106, 114, 124, 138, 144, 154, 164, 174, 194, 198, 204, 212, 228, 252, 262, 276, 290, 296, 310, 350, 354, 360, 364, 378, 394, 412, 418, 438, 442, 472, 476, 482, 486, 506, 516, 520, 546, 564, 618, 632
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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This sequence is 2*A002858, since in general U(k*m, k*n) = k * U(m, n), where U(m, n) is the (m, n)-Ulam sequence. - Enrique Navarrete, May 05 2017
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LINKS
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PROG
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(Haskell)
a048951 n = a048951_list !! (n-1)
a048951_list = 2 : 4 : ulam 2 4 a048951_list
-- Function ulam as defined in A002858.
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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