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A037926
Trajectory of 20 under prime factor concatenation procedure.
0
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
CROSSREFS
Cf. A037273.
Sequence in context: A040394 A040393 A040396 * A040397 A040398 A303847
KEYWORD
fini,full,nonn,tabf,base
AUTHOR
EXTENSIONS
Edited by Charles R Greathouse IV, Apr 30 2010
STATUS
approved