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A138787 First differences of A007878. 5
1, 3, 11, 43, 187, 857, 4144, 20812, 107822, 572918, 3108512, 17164308, 96199106 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
FORMULA
a(n) = A007878(n+1)-A007878(n).
CROSSREFS
Sequence in context: A049180 A049152 A151104 * A110052 A300626 A126282
KEYWORD
nonn,more
AUTHOR
Artur Jasinski, Mar 30 2008
EXTENSIONS
a(9)-a(11) from Vaclav Kotesovec, Mar 29 2019
a(12)-a(13) from Seiichi Manyama, Nov 08 2023
STATUS
approved

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Last modified December 10 07:43 EST 2023. Contains 367699 sequences. (Running on oeis4.)