A273222 a(n) = p*(p - 1)*(73*p^2 - 45*p + 14)/24, where p = prime(n).

18, 134, 1345, 5733, 38280, 76479, 230588, 363546, 792649, 2033451, 2664915, 5454873, 8260270, 10012464, 14337303, 23275109, 35855716, 41007555, 59825238, 75546485, 84478374, 116064351, 141557994, 187394306, 264812328, 311476425, 336995709, 392705408, 423017991

Offset

1,1

Links

Seiichi Manyama, Table of n, a(n) for n = 1..10000

F. V. Weinstein, Notes on Fibonacci partitions, arXiv:math/0307150 [math.NT], 2003-2015, page 22.

Mathematica

Table[p = Prime[n]; p (p - 1) (73 p^2 - 45 p + 14) / 24, {n, 40}]
(#(#-1)(73#^2-45#+14))/24&/@Prime[Range[30]] (* Harvey P. Dale, Jan 17 2017 *)

Prog

(Magma) [p*(p-1)*(73*p^2-45*p+14)/24: p in PrimesUpTo(200)];

Crossrefs

Cf. A006093, A008837, A179545, A273221.

Sequence in context: A299368 A299932 A058649 * A103308 A320677 A010824

Adjacent sequences: A273219 A273220 A273221 * A273223 A273224 A273225

Keyword

nonn

Author

Vincenzo Librandi, May 19 2016

Status

approved