A247274 Decimal expansion of lambda_3, an analog of the Stolarsky-Harborth constant for the number of elements not divisible by 3 in Pascal's triangle.

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

Offset

0,1

References

Steven R. Finch, Mathematical Constants, Cambridge University Press, 2003, Section 2.16 Stolarsky-Harborth Constant, p. 145.

Links

Table of n, a(n) for n=0..100.

Formula

lambda_3 = (3/2)^(1 - log(6)/log(3)).

Example

0.774281326315121453631686540833158436992751028221...

Mathematica

lambda3 = (3/2)^(1 - Log[6]/Log[3]); RealDigits[lambda3, 10, 101] // First

Crossrefs

Cf. A020857, A077464.

Sequence in context: A265306 A198544 A353127 * A086315 A185577 A201517

Adjacent sequences: A247271 A247272 A247273 * A247275 A247276 A247277

Keyword

nonn,cons,easy

Author

Jean-François Alcover, Sep 11 2014

Status

approved