1,2

Table of n, a(n) for n=1..71.

Y. Bentor, Chemical Elements.Com

Y. Bentor, Periodic Table:Neutrons

M. Winter, WebElements Periodic Table

a(79): gold, the 79th element has 79 protons,79 electrons and 118 neutrons, valid for Au-197, stable isotope.

Cf. A007656, A058318.

Sequence in context: A059583 A086370 A083788 * A278761 A287076 A100006

Adjacent sequences: A058314 A058315 A058316 * A058318 A058319 A058320

nonn,fini

Labos Elemer, Dec 12 2000

approved