

A179370


Positive integers of the form (7*m^2+1)/11.


6



16, 23, 163, 184, 464, 499, 919, 968, 1528, 1591, 2291, 2368, 3208, 3299, 4279, 4384, 5504, 5623, 6883, 7016, 8416, 8563, 10103, 10264, 11944, 12119, 13939, 14128, 16088, 16291, 18391, 18608, 20848, 21079, 23459, 23704, 26224, 26483
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OFFSET

1,1


COMMENTS

Here m=(11*(2*n1)9*(1)^n)/4 for n>0.


LINKS

B. Berselli, Table of n, a(n) for n = 1..10000.
Index entries for linear recurrences with constant coefficients, signature (1,2,2,1,1).


FORMULA

a(n) = (154*n*(n1)63*(2*n1)*(1)^n+65)/8.
G.f.: x*(16+7*x+108*x^2+7*x^3+16*x^4)/((1+x)^2*(1x)^3).
a(n) = a(n+1) = a(n1)+2*a(n2)2*a(n3)a(n4)+a(n5).


CROSSREFS

Cf. A113338, A179088, A179337, A179338, A179339.
Sequence in context: A176657 A006616 A225929 * A166675 A114405 A098351
Adjacent sequences: A179367 A179368 A179369 * A179371 A179372 A179373


KEYWORD

nonn,easy


AUTHOR

Bruno Berselli, Jul 12 2010


STATUS

approved



