

A115295


Partial sums of squares of A115291(n).


2



1, 17, 66, 130, 194, 258, 322, 386, 450, 514, 578, 642, 706, 770, 834, 898, 962, 1026, 1090, 1154, 1218, 1282, 1346, 1410, 1474, 1538, 1602, 1666, 1730, 1794, 1858, 1922, 1986, 2050, 2114, 2178, 2242, 2306, 2370, 2434, 2498, 2562, 2626, 2690, 2754, 2818
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OFFSET

0,2


COMMENTS

Central coefficients of number triangle A115292.


LINKS

Table of n, a(n) for n=0..45.
Index entries for linear recurrences with constant coefficients, signature (2,1).


FORMULA

a(n)=sum{k=0..n, (sum{j=0..k, C(3, j)})^2}; a(n)=A115292(2n, n).


MATHEMATICA

Join[{1, 17}, Range[66, 7000, 64]] (* Vladimir Joseph Stephan Orlovsky, Jul 12 2011 *)


CROSSREFS

Sequence in context: A082614 A044155 A044536 * A065011 A031432 A157474
Adjacent sequences: A115292 A115293 A115294 * A115296 A115297 A115298


KEYWORD

easy,nonn


AUTHOR

Paul Barry, Jan 19 2006


STATUS

approved



