login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Atomic numbers of elements having a single letter chemical symbol.
0

%I #2 Mar 30 2012 18:49:08

%S 1,5,6,7,8,9,15,16,19,23,39,53,74,92

%N Atomic numbers of elements having a single letter chemical symbol.

%F 1 H = hydron, 5 B = boron, 6 C = carbon and so on.

%K fini,nonn,word

%O 1,2

%A _Tanya Khovanova_, Dec 08 2006