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A049821 a(n)=j+k, where u(j)+u(k) is the unique sum of Ulam numbers described in A002859. 0
3, 4, 5, 6, 8, 9, 12, 12, 14, 15, 15, 17, 18, 18, 20, 20, 22, 23, 23, 25, 25, 27, 28, 28, 38, 28, 29, 35, 33, 38, 35, 41, 37, 37, 39, 41, 46, 48, 43, 51, 45, 53, 48, 48, 50, 50, 58, 52, 60, 54, 56, 62, 56, 65, 59, 61, 61, 63 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

LINKS

Table of n, a(n) for n=3..60.

CROSSREFS

Sequence in context: A051957 A139483 A051954 * A023729 A299114 A103605

Adjacent sequences:  A049818 A049819 A049820 * A049822 A049823 A049824

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified May 24 14:49 EDT 2019. Contains 323532 sequences. (Running on oeis4.)