A115295 Partial sums of squares of A115291(n).

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

Offset: 0

Author

Paul Barry, Jan 19 2006

Keywords

• easy
• nonn

Comments

Central coefficients of number triangle A115292.

Links

• Index entries for linear recurrences with constant coefficients, signature (2,-1).

Programs

Mathematica

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

Formula

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