A138690 Numbers of the form 56+p^2 (where p is a prime).

60, 65, 81, 105, 177, 225, 345, 417, 585, 897, 1017, 1425, 1737, 1905, 2265, 2865, 3537, 3777, 4545, 5097, 5385, 6297, 6945, 7977, 9465, 10257, 10665, 11505, 11937, 12825, 16185, 17217, 18825, 19377, 22257, 22857, 24705, 26625, 27945, 29985

Offset

1,1

Comments

56+p^2 is divisible by 3 for any prime p>3. - M. F. Hasler

Links

Table of n, a(n) for n=1..40.

Mathematica

Table[2*28 + Prime[p + 1]^2, {p, 0, 100}]
Prime[Range[40]]^2+56 (* Harvey P. Dale, Dec 15 2015 *)

Crossrefs

Cf. A138479, A138685, A138686, A138691, A138692, A138693, A138694, A007528, A138696, A138697, A138698, A138699, A138700.

Sequence in context: A175102 A344811 A295697 * A118155 A066722 A080862

Adjacent sequences: A138687 A138688 A138689 * A138691 A138692 A138693

Keyword

nonn

Author

Artur Jasinski, Mar 26 2008

Status

approved