A037926 Trajectory of 20 under prime factor concatenation procedure.

20, 2, 2, 5, 3, 3, 5, 5, 5, 11, 61, 11, 4651, 3, 3, 12739, 17, 194867, 19, 41, 22073, 709, 273797, 3, 97, 137, 17791, 11, 3610337981, 7, 3391, 4786213, 3, 3, 3, 3, 7, 23, 31, 1815403, 13, 17, 23, 655857429041, 3, 31, 8308475676071413

Offset

0,1

Links

Table of n, a(n) for n=0..46.

P. De Geest, Home Primes

Crossrefs

Cf. A037273.

Sequence in context: A040394 A040393 A040396 * A040397 A040398 A303847

Adjacent sequences: A037923 A037924 A037925 * A037927 A037928 A037929

Keyword

fini,full,nonn,tabf,base

Author

Jeff Burch

Extensions

Edited by Charles R Greathouse IV, Apr 30 2010

Status

approved