A176106 Decimal expansion of (21+5*sqrt(21))/14.

3, 1, 3, 6, 6, 3, 4, 1, 7, 6, 7, 6, 9, 9, 4, 2, 8, 5, 9, 4, 9, 5, 7, 3, 1, 1, 4, 0, 6, 1, 7, 1, 4, 5, 8, 8, 8, 9, 2, 3, 0, 2, 0, 2, 0, 5, 9, 8, 8, 5, 6, 1, 3, 9, 3, 7, 8, 8, 3, 0, 0, 7, 5, 8, 5, 3, 8, 1, 6, 7, 2, 9, 4, 8, 3, 8, 4, 8, 9, 6, 0, 2, 3, 5, 8, 7, 0, 0, 5, 5, 6, 9, 6, 1, 9, 4, 4, 6, 5, 4, 5, 2, 7, 7, 1

Offset: 1

Author

Klaus Brockhaus, Apr 10 2010

Keywords

• cons
• nonn

Comments

Continued fraction expansion of (21+5*sqrt(21))/14 is A010705.

Examples

			(21+5*sqrt(21))/14 = 3.13663417676994285949...
		

Links

• Daniel Starodubtsev, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A010477 (decimal expansion of sqrt(21)), A010705 (repeat 3, 7).

Programs

Mathematica

RealDigits[(21+5*Sqrt[21])/14,10,120][[1]] (* Harvey P. Dale, Apr 27 2017 *)