A164663 Row sums of triangle A164659 (denominators of coefficients from int(T(n,x),x), with T(n,x) Chebyshev polynomials of the first kind).

1, 3, 5, 5, 11, 9, 17, 11, 25, 15, 31, 21, 35, 25, 49, 23, 55, 29, 53, 39, 71, 41, 77, 43, 79, 47, 97, 53, 95, 73, 89, 63, 115, 51, 165, 73, 131, 77, 135, 71, 141, 103, 125, 105, 163, 89, 169, 81, 161, 101, 193, 109, 181, 119, 197, 121, 261, 111, 203, 139, 179, 143, 239, 95

Offset

0,2

Comments

The row sums of the rational triangle A164658/A164659 give A164660/A164661.

Links

Table of n, a(n) for n=0..63.

Index entries for sequences related to Chebyshev polynomials.

Formula

a(n) = Sum_{m=1..n+1} A164659(n,m), n>=0.

Crossrefs

Row sums of numerator triangle A164658 gives A164662.

Sequence in context: A049757 A190864 A155537 * A098971 A093572 A317650

Adjacent sequences: A164660 A164661 A164662 * A164664 A164665 A164666

Keyword

nonn,easy

Author

Wolfdieter Lang, Oct 16 2009

Status

approved