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A048951 (2,4) Ulam sequence 3
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)
OFFSET

1,1

COMMENTS

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

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..1000

Eric Weisstein's World of Mathematics, Ulam Sequence

Wikipedia, Ulam number

Index entries for Ulam numbers

PROG

(Haskell)

a048951 n = a048951_list !! (n-1)

a048951_list = 2 : 4 : ulam 2 4 a048951_list

-- Function ulam as defined in A002858.

-- Reinhard Zumkeller, Nov 03 2011

CROSSREFS

Cf. A002858.

Sequence in context: A008764 A228354 A065386 * A058629 A323508 A095810

Adjacent sequences:  A048948 A048949 A048950 * A048952 A048953 A048954

KEYWORD

nonn

AUTHOR

Eric W. Weisstein

STATUS

approved

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Last modified February 21 15:34 EST 2019. Contains 320374 sequences. (Running on oeis4.)