1,1

This is the smallest number of persistence 6 (cf. A003001).

N. J. A. Sloane, The persistence of a number, J. Recreational Math., 6 (1973), 97-98.

Cf. A003001.

Sequence in context: A151637 A031986 A031832 this_sequence A046515 A132215 A075669

Adjacent sequences: A121103 A121104 A121105 this_sequence A121107 A121108 A121109

nonn,fini,full

N. J. A. Sloane (njas(AT)research.att.com), Aug 12 2006