A241149 - OEIS

A241149

Decimal expansion of sqrt(2) + sqrt(3) + sqrt(5).

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

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OFFSET

1,1

COMMENTS

This is an algebraic integer, with its minimal polynomial being x^8 - 40x^6 + 352x^4 - 960x^2 + 576. - Alonso del Arte, Apr 17 2014

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..10000

Michael Penn, When showing square root 2 is irrational is too easy, YouTube video, 2022.

EXAMPLE

5.382332347441762038738308734446846680953095488798854425503383962...

MAPLE

evalf(add(sqrt(ithprime(i)), i=1..3), 121); # Alois P. Heinz, Jun 13 2022

MATHEMATICA

RealDigits[Sqrt[2] + Sqrt[3] + Sqrt[5], 10, 200]

PROG

(PARI) sqrt(2) + sqrt(3) + sqrt(5) \\ G. C. Greubel, Jul 27 2018

(Magma) Sqrt(2) + Sqrt(3) + Sqrt(5); // G. C. Greubel, Jul 27 2018

CROSSREFS

Cf. A002163 (decimal expansion: sqrt(5)).

Cf. A002193 (decimal expansion: sqrt(2)).

Cf. A002194 (decimal expansion: sqrt(3)).

Sequence in context: A349578 A374260 A305921 * A324992 A093203 A021654

Adjacent sequences: A241146 A241147 A241148 * A241150 A241151 A241152

KEYWORD

nonn,cons,easy

AUTHOR

K. D. Bajpai, Apr 16 2014

STATUS

approved