1,1
a(5) = sixth fibonacci number + fifth prime = 8 + 11 = 19
f := n -> fibonacci(n+1) + ithprime(n);
(PARI) A004398(n) = fibonacci(n+1) + prime(n)
Adjacent sequences: A004395 A004396 A004397 this_sequence A004399 A004400 A004401
nonn
Hegermann, Frank (hegermann(AT)oi.dbv.commerzbank.dbp.de)
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