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A229381 The Simpsons' perfect number, Mersenne prime, and narcissistic number. 3
8128, 8191, 8208 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The perfect number 8128, Mersenne prime 8191, and narcissistic number 8208 appeared together on the screen in the "Marge and Homer Turn a Couple Play" episode of Season 17 of The Simpsons.

REFERENCES

S. Singh, The Simpsons and Their Mathematical Secrets, Bloomsbury USA, 2013.

LINKS

Table of n, a(n) for n=1..3.

C. Goff, Animating Popular Mathematics: “The Simpsons and Their Mathematical Secrets”, AMS Notices, 62 (2015), 40-44.

Simon Singh, The Simpsons' secret formula: it's written by maths geeks, The Guardian, 21 September 2013.

FORMULA

a(1) = A000396(4), a(2) = A000668(5), a(3) = A005188(15).

CROSSREFS

Cf. A000396, A000668, A005188.

Sequence in context: A025288 A025306 A151946 * A147633 A237145 A205211

Adjacent sequences:  A229378 A229379 A229380 * A229382 A229383 A229384

KEYWORD

nonn,fini,full,bref,dumb

AUTHOR

Joe Sondow and Jonathan Sondow, Sep 23 2013

STATUS

approved

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Last modified July 27 04:25 EDT 2017. Contains 289841 sequences.