A090890 30*a(n) is the gap between sexy prime triples in the n-th sexy prime triple triple whose initial term is 11.

291, 564, 742, 2639, 4319, 5278, 5408, 7431, 10119, 10413, 11085, 14056, 14672, 19002, 23492, 26737, 31962, 33912, 35308, 36743, 37870, 45602, 54348, 56693, 59353, 60211, 64397, 64509, 65391, 72562, 92617, 94609, 106309, 114552, 142160

Offset

1,1

Comments

The nine terms in any sexy prime triple triple {{a, b, c}, {d, e, f}, {g, h, i}} may be arranged to form a 3 X 3 magic square [ h a f / c e g / d i b ].

Links

Table of n, a(n) for n=1..35.

Example

a(2)=564 identifies the second sexy prime triple triple whose initial term is 11: {{11, 17, 23}, {11+30*564, 17+30*564, 23+30*564}, {11+2*30*564, 17+2*30*564, 23+2*30*564}} which is equal to {{11, 17, 23}, {16931, 16937, 16943}, {33851, 33857, 33863}}.

Crossrefs

Cf. A023201, A046117.

Sequence in context: A098250 A031515 A352536 * A123913 A031695 A158254

Adjacent sequences: A090887 A090888 A090889 * A090891 A090892 A090893

Keyword

nonn

Author

Ray G. Opao, Feb 16 2004

Status

approved