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A208834 Look and say sequence starting with 373. 1
373, 131713, 111311171113, 311331173113, 1321232117132113, 1113121112131221171113122113, 311311123112111311222117311311222113, 132113311213211231132132211713211321322113 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The first four terms are prime, thus the first three terms are members of A056815.

The fifth term is 17 * 18131 * 4286555419.

REFERENCES

David Wells, Prime Numbers: The Most Mysterious Figures in Math. Hoboken, New Jersey: John Wiley & Sons (2005): p. 41

LINKS

Table of n, a(n) for n=1..8.

Chris Caldwell, Prime Curios! 373, The Prime Pages

MATHEMATICA

(* First run one of the programs from A056815 to define the LookAndSay function *) NestList[LookAndSay, 373, 10]

CROSSREFS

Cf. A045918.

Sequence in context: A134161 A168168 A226850 * A171216 A108844 A025336

Adjacent sequences:  A208831 A208832 A208833 * A208835 A208836 A208837

KEYWORD

nonn,easy,base

AUTHOR

Alonso del Arte, Mar 01 2012

STATUS

approved

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Last modified November 15 11:35 EST 2018. Contains 317238 sequences. (Running on oeis4.)