1,1

Francis W. Aston, Mass spectra and isotopes, Nobel Lecture, December 12, 1922.

Cf. A007656.

Sequence in context: A076591 A078695 A121367 this_sequence A001149 A081612 A120761

Adjacent sequences: A070214 A070215 A070216 this_sequence A070218 A070219 A070220

nonn

Robert G. Wilson v (rgwv(AT)rgwv.com), May 07 2002