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A294264 a(n) = (5/128)*n^4*(n mod 2) + ((-5/128)*n^4*(n mod 2) - 26) mod n) + n^3 (n > 0). 1
2, 8, 31, 66, 154, 220, 443, 518, 991, 1004, 1910, 1738, 3315, 2746, 5359, 4102, 8185, 5842, 11963, 8014, 16858, 10666, 23112, 13846, 30899, 17576, 40447, 21954, 52029, 27004, 65880, 32774, 82276, 39312, 101509, 46666, 123887, 54884, 149695, 64014, 179308, 74104, 213082 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Andrew Howroyd, Table of n, a(n) for n = 1..1000

FORMULA

a(n) = (5/128)*n^4*(n mod 2) + ((-5/128)*n^4*(n mod 2) - 26) mod n) + n^3 (n > 0).

MATHEMATICA

Map[ Mod[-5/128*#^4*Mod[#, 2] - 26, #] + 5/128*#^4*Mod[#, 2] + #^3 &, Range[10^5]]

PROG

(PARI)

rmod(n, m)={n-n\m*m}

a(n)={(5/128)*n^4*(n % 2) + rmod(((-5/128)*n^4*(n % 2) - 26), n) + n^3} \\ Andrew Howroyd, Feb 28 2018

CROSSREFS

Sequence in context: A302187 A266043 A265950 * A007468 A280156 A054137

Adjacent sequences:  A294261 A294262 A294263 * A294265 A294266 A294267

KEYWORD

nonn

AUTHOR

Mikk Heidemaa, Oct 26 2017

STATUS

approved

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Last modified May 19 10:55 EDT 2019. Contains 323390 sequences. (Running on oeis4.)