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A138690 Numbers of the form 56+p^2 (where p is a prime). 0

%I #7 Dec 15 2015 14:04:23

%S 60,65,81,105,177,225,345,417,585,897,1017,1425,1737,1905,2265,2865,

%T 3537,3777,4545,5097,5385,6297,6945,7977,9465,10257,10665,11505,11937,

%U 12825,16185,17217,18825,19377,22257,22857,24705,26625,27945,29985

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

%C 56+p^2 is divisible by 3 for any prime p>3. - _M. F. Hasler_

%t Table[2*28 + Prime[p + 1]^2, {p, 0, 100}]

%t Prime[Range[40]]^2+56 (* _Harvey P. Dale_, Dec 15 2015 *)

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

%K nonn

%O 1,1

%A _Artur Jasinski_, Mar 26 2008

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Last modified April 23 07:16 EDT 2024. Contains 371905 sequences. (Running on oeis4.)