This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A145169 G.f. A(x) satisfies A(x/A(x)^2) = 1/(1-x)^3. 4
 1, 3, 24, 361, 7851, 214245, 6815986, 242659191, 9431036685, 393771017068, 17469277612998, 817033067908275, 40050828368606412, 2048642917085523633, 108968676087557745858, 6010617981960195923285, 343038687551360605111371 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Vaclav Kotesovec, Table of n, a(n) for n = 0..180 FORMULA Self-convolution cube of A145167. Self-convolution square yields A145170. PROG (PARI) {a(n)=local(A=1+x+x*O(x^n), B); for(n=0, n, B=serreverse(x/A^2); A=1/(1-B)^3); polcoeff(A, n)} CROSSREFS Cf. A145167, A145168, A145170 (A^2). Sequence in context: A144003 A153389 A010791 * A193210 A065761 A002832 Adjacent sequences:  A145166 A145167 A145168 * A145170 A145171 A145172 KEYWORD nonn AUTHOR Paul D. Hanna, Oct 03 2008 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.

Last modified August 25 03:03 EDT 2019. Contains 326318 sequences. (Running on oeis4.)