A247449 Decimal expansion of a multiplicative constant related to A006196.

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

Offset

0,1

References

S. R. Finch, Mathematical Constants, Cambridge, 2003, p. 310.

Links

Table of n, a(n) for n=0..105.

Steven R. Finch, Errata and Addenda to Mathematical Constants, p. 39.

P. Nogueira, On the combinatorics of leftist trees, Discrete Appl. Math., 109 (2001) 253-278. MR1818241 (2002f:05090).

Formula

Equals lim n -> infinity A006196(n)*n^(3/2) / A247448^n.

Example

0.25036342939252350681741085491909745001362692628313651435731536...

Crossrefs

Cf. A006196, A247448.

Sequence in context: A136209 A212248 A208476 * A112695 A215078 A067881

Adjacent sequences: A247446 A247447 A247448 * A247450 A247451 A247452

Keyword

nonn,cons

Author

Vaclav Kotesovec, Sep 17 2014

Extensions

More digits from Vaclav Kotesovec, Dec 29 2020

Status

approved