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A080743 Array read by rows in which n-th row lists orders of elements of Symm(n) that are not orders of elements of Symm(n-1) (6-th row is empty, written as 0 by convention). 3
1, 2, 3, 4, 5, 6, 0, 7, 10, 12, 8, 15, 9, 14, 20, 21, 30, 11, 18, 24, 28, 35, 42, 60, 13, 22, 36, 40, 33, 45, 70, 84, 26, 44, 56, 105, 16, 39, 55, 63, 66, 90, 120, 140, 17, 52, 72, 210, 65, 77, 78, 110, 126, 132, 168, 180, 19, 34, 48, 88, 165, 420, 51, 91, 99, 130, 154, 156, 220 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

A051613 gives number of elements in n-th row.

REFERENCES

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

FORMULA

n-th row = set of m such that A008475(m) = n, or 0 if no such m exists.

EXAMPLE

1; 2; 3; 4; 5,6; 0; 7,10,12; 8,15; ...

CROSSREFS

Cf. A008475, A051613, A080744, A051703.

Sequence in context: A070553 A204453 A195830 * A129835 A004182 A030998

Adjacent sequences:  A080740 A080741 A080742 * A080744 A080745 A080746

KEYWORD

nonn,tabf,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Mar 08 2003

EXTENSIONS

More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Mar 12 2003

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Last modified February 23 08:10 EST 2012. Contains 206628 sequences.