A229067 Sum of n-th prime and next perfect square.

6, 7, 14, 16, 27, 29, 42, 44, 48, 65, 67, 86, 90, 92, 96, 117, 123, 125, 148, 152, 154, 160, 183, 189, 197, 222, 224, 228, 230, 234, 271, 275, 281, 283, 318, 320, 326, 332, 336, 369, 375, 377, 387, 389, 422, 424, 436, 448, 483, 485, 489, 495, 497, 507, 546, 552

Offset

1,1

Comments

Primes in the sequence: 7, 29, 67, 197, 271, 281, 283, 389, 617, 631, 641, ...

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Formula

a(n) = A000040(n) + A145445(n).

Mathematica

(Floor[Sqrt[#]] + 1)^2 + # &/@Prime[Range[80]]

Crossrefs

Cf. A000040, A145445, A106044.

Sequence in context: A315837 A315838 A239916 * A315839 A315840 A315841

Adjacent sequences: A229064 A229065 A229066 * A229068 A229069 A229070

Keyword

nonn,less

Author

Vincenzo Librandi, Sep 25 2013

Status

approved