This site is supported by donations to The OEIS Foundation.

Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 5000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A082455 a(n) = prime(n) + prime(n-1) + a(n-1), a(0) = 0, a(1) = 4. 2
 0, 4, 1, 7, 5, 13, 11, 19, 17, 25, 27, 33, 35, 43, 41, 49, 51, 61, 59, 69, 69, 75, 77, 85, 87, 99, 99, 105, 105, 111, 111, 129, 129, 139, 137, 151, 149, 159, 161, 169, 171, 181, 179, 193, 191, 199, 197, 213, 221, 229, 227, 235, 237, 243, 249, 259, 261, 271, 269, 279 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS MATHEMATICA g[x_] := Prime[x]+Prime[x-1]-g[x-1] g[0]=0; g[1]=4; Table[g[w], {w, 0, 100}] CROSSREFS If initial values are {a[0]=0, a[1]=1} we get A014687. If initial values are {a[0]=1, a[1]=2} we get the primes, A000040. Initial values {a[0]=1, a[1]=3} give A014686. See also A082454. Sequence in context: A094649 A135857 A156558 * A140657 A253635 A078975 Adjacent sequences:  A082452 A082453 A082454 * A082456 A082457 A082458 KEYWORD nonn AUTHOR Labos Elemer, Apr 25 2003 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.