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A078428 Partial sums of A035187. 2
1, 1, 1, 2, 3, 3, 3, 3, 4, 4, 6, 6, 6, 6, 6, 7, 7, 7, 9, 10, 10, 10, 10, 10, 11, 11, 11, 11, 13, 13, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 18, 18, 18, 20, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 24, 24, 24, 24, 26, 26, 28, 28, 28, 29, 29, 29, 29, 29, 29, 29, 31, 31, 31, 31, 31, 33 (list; graph; refs; listen; history; internal format)
OFFSET

0,4

LINKS

M. Baake, Algebra, Combinatorics and Number Theory

M. Baake and R. V. Moody, Similarity submodules and root systems in four dimensions, Canad. J. Math. 51 (1999), 1258-1276.

FORMULA

a(n) = sum(k=1, n, A035187(k)); a(n) is asymptotic to c*n where c=2*log(tau)/sqrt(5) and tau=(1+sqrt(5))/2

CROSSREFS

Sequence in context: A194819 A194235 A029120 * A055768 A064952 A176001

Adjacent sequences:  A078425 A078426 A078427 * A078429 A078430 A078431

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Dec 29 2002

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Last modified February 15 16:28 EST 2012. Contains 205823 sequences.