A096355 Number of unattainables <= 10^n, where unattainables are A063425.

5, 44, 429, 4069, 39433, 388459, 3855173, 38374875, 382644491, 3819130611

Offset

1,1

Links

Table of n, a(n) for n=1..10.

P. A. Loomis, An Interesting Family of Iterated Sequences.

P. A. Loomis, An Introduction to Digit Product Sequences, J. Rec. Math., 32 (2003-2004), 147-151.

P. A. Loomis, An Introduction to Digit Product Sequences, J. Rec. Math., 32 (2003-2004), 147-151. [Annotated archived copy]

Index entries for Colombian or self numbers and related sequences

Crossrefs

Cf. A063114.

Sequence in context: A247776 A374300 A227640 * A371787 A222508 A220841

Adjacent sequences: A096352 A096353 A096354 * A096356 A096357 A096358

Keyword

base,more,nonn

Author

Jason Earls, Jun 30 2004

Extensions

a(9)-a(10) from Donovan Johnson, Jul 20 2010

Status

approved