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Search: id:A049879
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A049879 a(n)=|j-k|, where u(n)=u(j)+u(k) is the unique sum of Ulam numbers described in A002859. +0
1
1, 2, 3, 2, 2, 3, 4, 6, 4, 7, 9, 7, 10, 12, 12, 14, 12, 15, 17, 17, 19, 17, 20, 22, 5, 26, 25, 19, 27, 16, 29, 13, 31, 33, 33, 31, 8, 6, 37, 3, 39, 19, 40, 42, 42, 44, 4, 46, 6, 48, 48, 8, 50, 11, 53, 53, 55, 53 (list; graph; listen)
OFFSET

3,2
CROSSREFS

Sequence in context: A137266 A062948 A096258 this_sequence A053812 A017828 A160558

Adjacent sequences: A049876 A049877 A049878 this_sequence A049880 A049881 A049882

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

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