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A016999 (7*n+1)^7. 1
1, 2097152, 170859375, 2494357888, 17249876309, 78364164096, 271818611107, 781250000000, 1954897493193, 4398046511104, 9095120158391, 17565568854912, 32057708828125, 55784660123648 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..10000

FORMULA

G.f.: (1+2097144*x+154082187*x^2+1186203088*x^3+1961635263*x^4+785850072*x^5+ 60509029*x^6+279936*x^7)/(-1+x)^8 . [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jun 24 2009]

PROG

(MAGMA) [(7*n+1)^7: n in [0..20]]; // Vincenzo Librandi, Jul 13 2011

CROSSREFS

Sequence in context: A195236 A068345 A194935 * A017071 A017263 A017371

Adjacent sequences:  A016996 A016997 A016998 * A017000 A017001 A017002

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 15 07:58 EST 2012. Contains 205717 sequences.