A004397 a(n) = prime(n) + Fibonacci(n).

3, 4, 7, 10, 16, 21, 30, 40, 57, 84, 120, 181, 274, 420, 657, 1040, 1656, 2645, 4248, 6836, 11019, 17790, 28740, 46457, 75122, 121494, 196521, 317918, 514338, 832153, 1346396, 2178440, 3524715, 5703026, 9227614, 14930503, 24157974, 39088332, 63246153

Offset: 1

Author

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

Keywords

• nonn

References

• GCHQ, The GCHQ Puzzle Book, Penguin, 2016. See page 79.

Crossrefs

Cf. A100700.

Programs

Magma

[NthPrime(n)+Fibonacci(n): n in [1..50]]; // Vincenzo Librandi, Jul 29 2016

Maple

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

Mathematica

Table[Fibonacci[n] + Prime[n], {n, 35}]