login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A089448 Diagonal of square table A089447, which lists the coefficients of x^n*y^k in f(x,y) that satisfies: f(x,y) = g(x,y) + xy*f(x,y)^4 and where g(x,y) satisfies: 1 + (x+y-1)*g(x,y) + xy*g(x,y)^2 = 0. 2
1, 4, 48, 841, 18004, 435654, 11427992, 317112363, 9167951752, 273436829602, 8357069773840, 260498528992976, 8252868865615952, 265043778330385821, 8611226621063270068, 282587565659572959007, 9354553949064125991864 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..16.

CROSSREFS

Cf. A089447 (table), A089449 (antidiagonal sums), A002293.

Sequence in context: A183204 A328183 A047711 * A167141 A322296 A192260

Adjacent sequences:  A089445 A089446 A089447 * A089449 A089450 A089451

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Nov 02 2003

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 18 02:23 EDT 2019. Contains 328135 sequences. (Running on oeis4.)