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A135462 a(n) = number of Eisenstein primes (see A055664) of norm <= n. +0
4
0, 0, 0, 6, 12, 12, 12, 18, 18, 18, 18, 18, 18, 24, 24, 24, 24, 24, 24, 30, 30, 30, 30, 30, 30, 36, 36, 36, 36, 36, 36, 42, 42, 42, 42, 42, 42, 48, 48, 48, 48, 48, 48, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 60, 60, 60, 60, 60, 60, 66, 66, 66, 66, 66, 66 (list; graph; listen)
OFFSET

0,4

REFERENCES

L. W. Reid, The Elements of the Theory of Algebraic Numbers, MacMillan, NY, 1910, see Chap. VI.

CROSSREFS

Cf. A135461, A055664, A055667.

Sequence in context: A060479 A028998 A040030 this_sequence A156386 A129858 A061928

Adjacent sequences: A135459 A135460 A135461 this_sequence A135463 A135464 A135465

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Feb 06 2008

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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