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A037919 Trajectory of 4 under prime factor concatenation procedure. 1
4, 2, 2, 2, 11, 211 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
Table of n, a(n) for n=0..5.
Patrick De Geest, Home Primes
EXAMPLE
May be regarded as the rows of an irregular triangle:
4
2 2
2 11
211. - N. J. A. Sloane, Jun 15 2022
CROSSREFS
Cf. A037273.
Sequence in context: A364686 A341859 A058634 * A049849 A112349 A231821
Adjacent sequences: A037916 A037917 A037918 * A037920 A037921 A037922
KEYWORD
fini,full,nonn,tabf,base
AUTHOR
Jeff Burch
EXTENSIONS
Edited by Charles R Greathouse IV, Apr 30 2010
STATUS
approved

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Last modified May 18 01:23 EDT 2024. Contains 372608 sequences. (Running on oeis4.)