A080540 Number of neutrons in longest known radioactive decay series ending with Lead 209, reversed.

127, 126, 128, 130, 132, 134, 136, 137, 139, 141, 142, 144, 145, 147, 149, 151, 153, 155, 157, 159, 161, 163

Offset

0,1

Comments

See comments in A080532. Protons are in A080536.

Links

Table of n, a(n) for n=0..21.

C. Heilman, The Pictorial Periodic Table

Formula

a(n)=A080532(n)-A080536(n).

Crossrefs

Cf. A080537, A080538, A080539.

Sequence in context: A320571 A082456 A326717 * A334105 A077358 A069686

Adjacent sequences: A080537 A080538 A080539 * A080541 A080542 A080543

Keyword

nonn,hard

Author

Ralf Stephan, Feb 20 2003

Status

approved