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A014936 a(1)=1, a(n)=n*19^(n-1)+a(n-1). 2
1, 39, 1122, 28558, 680163, 15536757, 344857924, 7495831836, 160347899205, 3387224876995, 70828953712806, 1468712060491434, 30241806008351527, 618983574479950353, 12604083861223212168, 255502116339219984952 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..16.

FORMULA

a(n)=(1/324)*[1+19^n*(18*n-1)], with n>=0 [From Paolo P. Lava, Jan 13 2009]

MATHEMATICA

RecurrenceTable[{a[1]==1, a[n]==n*19^(n-1)+a[n-1]}, a, {n, 20}] (* Harvey P. Dale, Oct 01 2012 *)

CROSSREFS

Sequence in context: A028219 A209076 A251327 * A227524 A240442 A009729

Adjacent sequences:  A014933 A014934 A014935 * A014937 A014938 A014939

KEYWORD

nonn,easy

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified March 26 00:16 EDT 2019. Contains 321477 sequences. (Running on oeis4.)