a(1) - a(5) computed by M. F. Hasler, Feb 02 2008
Table of n, a(n) for n=1..5.
232564 is an SPN but is not in this sequence since it can be obtained from the SPN 32564 by prefixing the digit 2.
Cf. A134698, A134949.
Sequence in context: A251000 A134698 A134949 * A172700 A101744 A013691
Adjacent sequences: A134944 A134945 A134946 * A134948 A134949 A134950
Eric Angelini, Jul 05 2005