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A301717 Partial sums of A301716. 0
1, 7, 19, 37, 55, 85, 121, 157, 205, 253, 307, 373, 439, 511, 589, 673, 763, 859, 961, 1063, 1177, 1297, 1417, 1549, 1681, 1819, 1969, 2119, 2275, 2437, 2605, 2779, 2959, 3145, 3331, 3529, 3733, 3937, 4153, 4369, 4591, 4825, 5059, 5299, 5545, 5797, 6055, 6319, 6589, 6859, 7141, 7429, 7717, 8017, 8317, 8623 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..55.

FORMULA

Conjectures from Colin Barker, Apr 09 2018: (Start)

G.f.: (1 + 6*x + 12*x^2 + 17*x^3 + 12*x^4 + 17*x^5 + 12*x^6 + 6*x^7 + x^8) / ((1 - x)^3*(1 + x + x^2)*(1 + x + x^2 + x^3 + x^4)).

a(n) = a(n-1) + a(n-3) - a(n-4) + a(n-5) - a(n-6) - a(n-8) + a(n-9) for n>8.

(End)

CROSSREFS

Cf. A301716.

Sequence in context: A192594 A031337 A241984 * A152540 A073859 A038847

Adjacent sequences:  A301714 A301715 A301716 * A301718 A301719 A301720

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Mar 26 2018

STATUS

approved

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Last modified September 26 22:47 EDT 2020. Contains 337377 sequences. (Running on oeis4.)