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A064304 Eighth diagonal of triangle A064094. 3
1, 429, 14589, 137089, 702297, 2537781, 7312789, 17981769, 39322929, 78571837, 146150061, 256488849, 428947849, 688828869, 1068484677, 1608522841, 2359104609, 3381338829, 4748770909, 6548966817 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..19.

FORMULA

a(n)= 1+6*n+20*n^2+48*n^3+90*n^4+132*n^5+132*n^6. Seventh row polynomial (n=6) of Catalan triangle A009766.

G.f.:(1+422*x+11607*x^2+43940*x^3+34063*x^4+4950*x^5+57*x^6)/(1-x)^7.

CROSSREFS

A064304 (eighth diagonal).

Sequence in context: A090200 A033279 A145056 * A264180 A270412 A258494

Adjacent sequences:  A064301 A064302 A064303 * A064305 A064306 A064307

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang, Sep 13 2001

STATUS

approved

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Last modified February 24 05:37 EST 2018. Contains 299597 sequences. (Running on oeis4.)