1,1

See A005150 for further comments, links and references.

J. H. Conway, The weird and wonderful chemistry of audioactive decay, Eureka 46 (1986) 5-16.

J. H. Conway, The weird and wonderful chemistry of audioactive decay, in T. M. Cover and Gopinath, eds., Open Problems in Communication and Computation, Springer, NY 1987, pp. 173-188.

Henry Bottomley, Full table of n, a(n) for n = 1..92

Henry Bottomley, Evolution of Conway's 92 Look and Say audioactive elements

Sequence in context: A013902 A056667 A123665 this_sequence A143196 A143197 A092993

Adjacent sequences: A119563 A119564 A119565 this_sequence A119567 A119568 A119569

nonn,fini

N. J. A. Sloane (njas(AT)research.att.com), May 31 2006