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A080739 Number of elements in n-th row of A080738. 4
2, 3, 4, 8, 7, 11, 13, 14, 20, 26, 30, 42, 43, 49, 64, 65, 82, 95, 107, 129, 143, 156, 186, 203, 235, 267, 295, 334, 372, 415, 466, 514, 581, 637, 707, 783, 859, 960, 1055, 1152, 1281, 1390, 1522, 1679, 1824, 2011, 2190, 2377, 2595, 2816, 3059, 3342, 3616, 3940 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..53.

J. Bamberg, G. Cairns and D. Kilminster, The crystallographic restriction, permutations and Goldbach's conjecture, Amer. Math. Monthly, 110 (March 2003), 202-209.

PROG

(Haskell)

a080739 n k = a080739_list !! n

a080739_list = map length a080738_tabf  -- Reinhard Zumkeller, Jun 13 2012

CROSSREFS

Cf. A080737, A080738, A080740.

Sequence in context: A036712 A036706 A336785 * A242065 A056424 A050324

Adjacent sequences:  A080736 A080737 A080738 * A080740 A080741 A080742

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Mar 08 2003

EXTENSIONS

More terms from Devin Kilminster (devin(AT)maths.uwa.edu.au), Mar 10 2003

STATUS

approved

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Last modified September 23 01:32 EDT 2020. Contains 337291 sequences. (Running on oeis4.)