A096355 Number of unattainables <= 10^n, where unattainables are A063425.
5, 44, 429, 4069, 39433, 388459, 3855173, 38374875, 382644491, 3819130611
Offset: 1
Links
- 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.
Extensions
a(9)-a(10) from Donovan Johnson, Jul 20 2010