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A036261 Triangle of numbers arising from Gilbreath's conjecture: successive absolute differences of primes. +0
2
1, 1, 2, 1, 0, 2, 1, 2, 2, 4, 1, 2, 0, 2, 2, 1, 2, 0, 0, 2, 4, 1, 2, 0, 0, 0, 2, 2, 1, 2, 0, 0, 0, 0, 2, 4, 1, 2, 0, 0, 0, 0, 0, 2, 6, 1, 0, 2, 2, 2, 2, 2, 2, 4, 2, 1, 0, 0, 2, 0, 2, 0, 2, 0, 4, 6, 1, 0, 0, 0, 2, 2, 0, 0, 2, 2, 2, 4, 1, 0, 0, 0, 0, 2, 0, 0, 0, 2, 0, 2, 2, 1, 0, 0, 0, 0, 0, 2, 2, 2, 2, 0, 0, 2, 4 (list; table; graph; listen)
OFFSET

1,3

REFERENCES

R. K. Guy, Unsolved Problems Number Theory, A10.

C. A. Pickover, The Math Book, Sterling, NY, 2009; see p. 410.

LINKS

T. D. Noe, Rows n=1..100 of triangle, flattened

A. M. Odlyzko, Iterated absolute values of differences of consecutive primes, Math. Comp. 61 (1993), 373-380.

CROSSREFS

See A036262, which is the main entry for this array.

Sequence in context: A130094 A130210 A035443 this_sequence A091917 A025657 A025686

Adjacent sequences: A036258 A036259 A036260 this_sequence A036262 A036263 A036264

KEYWORD

tabl,easy,nice,nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

EXTENSIONS

More terms from Naohiro Nomoto (6284968128(AT)geocities.co.jp), May 22 2001

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.


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