A010728 -id:A010728 - cp's OEIS frontend

A176440 Decimal expansion of (14+sqrt(210))/4.

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

Offset: 1

Klaus Brockhaus, Apr 19 2010

Continued fraction expansion of (14+sqrt(210))/4 is A010728.

			(14+sqrt(210))/4 = 7.12284418654735964342...

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

Cf. A176441 (decimal expansion of sqrt(210)), A010728 (repeat 7, 8).

RealDigits[(14+Sqrt[210])/4,10,120][[1]]  (* Harvey P. Dale, Apr 13 2011 *)

A176457 Decimal expansion of (28+2*sqrt(210))/7.

Original entry on oeis.org

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

Offset: 1

Klaus Brockhaus, Apr 20 2010

Continued fraction expansion of (28+2*sqrt(210))/7 is A010728 preceded by 8.

a(n) = A171539(n-1) for n > 1.

			(28+2*sqrt(210))/7 = 8.14039335605412530677...

Cf. A171539 (decimal expansion of sqrt(6/35)), A176441 (decimal expansion of sqrt(210)), A010728 (repeat 7, 8).

RealDigits[(28+2Sqrt[210])/7,10,120][[1]] (* Harvey P. Dale, Apr 07 2018 *)

cp's OEIS Frontend

A176440 Decimal expansion of (14+sqrt(210))/4.

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