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A014943 a(1)=1, a(n)=n*25^(n-1)+a(n-1). 0
1, 51, 1926, 64426, 2017551, 60611301, 1769595676, 50597720676, 1423888736301, 39570861392551, 1088612609439426, 29698842101626926, 804559224181705051, 21666184895568423801, 580459729664855533176 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

FORMULA

a(n)=(1/576)*[1+25^n*(24*n-1)], with n>=1 [From Paolo P. Lava (paoloplava(AT)gmail.com), Jan 13 2009]

CROSSREFS

Sequence in context: A017767 A017714 A202044 * A097836 A128917 A172742

Adjacent sequences:  A014940 A014941 A014942 * A014944 A014945 A014946

KEYWORD

nonn,easy

AUTHOR

Olivier Gerard (olivier.gerard(AT)gmail.com)

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Last modified February 16 04:18 EST 2012. Contains 205860 sequences.