A081800 Decimal expansion of atomic unit of velocity in SI units (meters/second).

2, 1, 8, 7, 6, 9, 1, 2, 6

Offset

7,1

Comments

Original name: Decimal expansion of Bohr N1 velocity constant: V_n1 = 2.187691415844453*10^6 (m/sec).

Links

Table of n, a(n) for n=7..15.

NIST, CODATA Value: atomic unit of velocity

Formula

sqrt(H/m) where H = 4.359743...*10^-18 J is one Hartree and m = A081801. - R. J. Mathar, Feb 06 2009

V_n1 = alpha * c = A003673 * A003678. - Omar E. Pol, Nov 07 2013

Example

2187691.26... m/s = 2187.69126... km/s. - Omar E. Pol, Nov 07 2013

Crossrefs

Cf. A003673, A003678, A081801, A229938.

Sequence in context: A049250 A060587 A168142 * A254180 A248052 A340629

Adjacent sequences: A081797 A081798 A081799 * A081801 A081802 A081803

Keyword

cons,nonn

Author

Benoit Cloitre, Apr 10 2003

Extensions

Offset corrected by R. J. Mathar, Feb 06 2009

Updated and new name by Omar E. Pol, Mar 11 2018

Status

approved