A037919 - OEIS

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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

Sequence in context: A364686 A341859 A058634 * A049849 A112349 A231821

Adjacent sequences: A037916 A037917 A037918 * A037920 A037921 A037922

KEYWORD

fini,full,nonn,tabf,base

AUTHOR

EXTENSIONS

Edited by Charles R Greathouse IV, Apr 30 2010

STATUS

approved