A013626 - OEIS

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A013626

Triangle of coefficients in expansion of (5+7x)^n.

0

1, 5, 7, 25, 70, 49, 125, 525, 735, 343, 625, 3500, 7350, 6860, 2401, 3125, 21875, 61250, 85750, 60025, 16807, 15625, 131250, 459375, 857500, 900375, 504210, 117649, 78125, 765625, 3215625, 7503125, 10504375, 8823675, 4117715

(list; table; graph; refs; listen; history; text; internal format)

OFFSET

0,2

LINKS

Table of n, a(n) for n=0..34.

FORMULA

G.f.: 1 / [1 - x(5+7y)].

CROSSREFS

Sequence in context: A100095 A227922 A179782 * A067701 A059240 A324363

Adjacent sequences: A013623 A013624 A013625 * A013627 A013628 A013629

KEYWORD

tabl,nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved