A079120 - OEIS

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A079120

a(n) = floor(1/(n-1) * Sum_{k=1..n-1} a(k)^(n/k)), given a(0)=1, a(1)=3, a(2)=7.

3

1, 3, 7, 22, 63, 180, 512, 1457, 4144, 11791, 33564, 95580, 272280, 775922, 2211891, 6307338, 17991183, 51333407, 146508751, 418260894, 1194397553, 3411667838, 9747639585, 27857756981, 79635405673, 227708537573, 651276560978

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,2

LINKS

Table of n, a(n) for n=0..26.

EXAMPLE

a(4)=63 since 63 = floor[(1/3){3^(4/1) + 7^(4/2) + 22^(4/3)}].

CROSSREFS

Cf. A079116, A079117, A079118, A079119, A079120, A079121.

Sequence in context: A080882 A229807 A229900 * A092566 A036719 A166135

Adjacent sequences: A079117 A079118 A079119 * A079121 A079122 A079123

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Dec 27 2002

EXTENSIONS

Definition corrected by Georg Fischer, Jun 06 2024

STATUS

approved