A004398 a(n) = Fibonacci(n+1) + prime(n).

3, 5, 8, 12, 19, 26, 38, 53, 78, 118, 175, 270, 418, 653, 1034, 1650, 2643, 4242, 6832, 11017, 17784, 28736, 46451, 75114, 121490, 196519, 317914, 514336, 832149, 1346382, 2178436, 3524709, 5703024, 9227604, 14930501, 24157968, 39088326

Offset

1,1

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Example

a(5) = Fibonacci(6) + prime(5) = 8 + 11 = 19.

Maple

f := n -> fibonacci(n+1) + ithprime(n);

Mathematica

With[{nn=40}, Total/@Thread[{Prime[Range[nn]], Fibonacci[Range[2, nn+1]]}]] (* Harvey P. Dale, Dec 18 2011 *)

Prog

(PARI) A004398(n) = fibonacci(n+1) + prime(n)
(Magma) [Fibonacci(n+1) + NthPrime(n): n in [1..50]]; // Vincenzo Librandi, Apr 20 2011

Crossrefs

Sequence in context: A232896 A227635 A295058 * A286311 A256057 A055606

Adjacent sequences: A004395 A004396 A004397 * A004399 A004400 A004401

Keyword

nonn

Author

Hegermann, Frank (hegermann(AT)oi.dbv.commerzbank.dbp.de)

Status

approved