A177272 -id:A177272 - cp's OEIS frontend

A177271 Decimal expansion of sqrt(635918528029).

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

Offset: 6

Klaus Brockhaus, May 07 2010

Continued fraction expansion of sqrt(635918528029) is 797445 followed by (repeat 398722, 1, 1, 398722, 1594890).

sqrt(635918528029) = sqrt(17)*sqrt(53)*sqrt(193)*sqrt(3656953).

			sqrt(635918528029) = 797445.00000250800995679558...

Daniel Starodubtsev, Table of n, a(n) for n = 6..10000

Cf. A010473 (decimal expansion of sqrt(17)), A010506 (decimal expansion of sqrt(53)), A177272 (decimal expansion of sqrt(193)), A177273 (decimal expansion of sqrt(3656953)), A177274 (continued fraction expansion of (684125+sqrt(635918528029))/1033802), A177270 (decimal expansion of (684125+sqrt(635918528029))/1033802).

First[RealDigits[Sqrt[635918528029],10,120]] (* Paolo Xausa, Jan 09 2024 *)

A177376 Fibonacci numbers whose decimal expansion does not contain any digit 9.

Original entry on oeis.org

1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 144, 233, 377, 610, 2584, 4181, 6765, 17711, 28657, 46368, 75025, 317811, 832040, 3524578, 5702887, 24157817, 102334155, 165580141, 701408733, 20365011074, 86267571272, 225851433717, 17167680177565

Offset: 1

Carmine Suriano, May 07 2010

The probability that Fib(n) contains no 9's goes to zero as n grows to infinity. It appears that the largest term is F(188). [Corrected by Jon E. Schoenfield, May 08 2010]

			a(11)=144 since it is the 11th Fibonacci containing no 9's

Cf. A000045, A177194, A177195, A177231, A177245, A177246, A176253, A177247, A177272, A177372, A177374

Select[Fibonacci[Range[100]],DigitCount[#,10,9]==0&] (* Harvey P. Dale, Jan 22 2014 *)

cp's OEIS Frontend

A177271 Decimal expansion of sqrt(635918528029).

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