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A176778 2^n-n*(n+2). 0
1, -1, -4, -7, -8, -3, 16, 65, 176, 413, 904, 1905, 3928, 7997, 16160, 32513, 65248, 130749, 261784, 523889, 1048136, 2096669, 4193776, 8388033, 16776592, 33553757, 67108136, 134216945, 268434616, 536870013, 1073740864, 2147482625 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
FORMULA
G.f.: -(3*x-1)*(x^2-3*x+1) / ( (2*x-1)*(x-1)^3 ). - R. J. Mathar, Feb 18 2016
MATHEMATICA
Table[2^n-n*(n+2), {n, 0, 5!}]
CROSSREFS
Sequence in context: A190260 A318383 A151958 * A021213 A154687 A115021
KEYWORD
sign,easy
AUTHOR
STATUS
approved

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Last modified June 21 09:49 EDT 2024. Contains 373543 sequences. (Running on oeis4.)