A161611 Primes that are a sum of 7 consecutive Fibonacci numbers.

53, 139, 953, 44771, 189653, 1494692464747, 26821168009247, 49900729438853608883, 5173807429197933544505507, 235602509965217050702320581591948981

Offset

1,1

Links

Table of n, a(n) for n=1..10.

Formula

{prime(j): prime(j) = A022096(k) for some k>4}. [R. J. Mathar, Jun 18 2009]

Example

a(1) = 53 = 1+2+3+5+8+13+21 is prime;
a(2) = 139 = 3+5+8+13+21+34+55 is prime.

Mathematica

Select[Total/@Partition[Fibonacci[Range[200]], 7, 1], PrimeQ] (* Harvey P. Dale, Oct 14 2022 *)

Crossrefs

Sequence in context: A044685 A239721 A142259 * A251076 A142043 A175600

Adjacent sequences: A161608 A161609 A161610 * A161612 A161613 A161614

Keyword

nonn

Author

Vladimir Joseph Stephan Orlovsky, Jun 14 2009

Status

approved