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A167629 The odd composites n such that n=q*g*j*y/2 and q+g=j*y where q,g,j,y are distinct primes. 1
105, 195, 231, 399, 627, 897, 935, 1023, 1443, 1581, 1729, 2465, 2915, 2967, 4123, 4301, 4623, 4715, 5487, 7055, 7685, 7881, 8099, 9717, 10707, 11339, 12099, 12995, 14993, 16377, 16383, 17353, 17423, 19599, 20213, 20915, 23779, 24963, 25327 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..39.

EXAMPLE

a(1)=3*7*5=105 (q=3, g=7, j=2, y=5); a(2)=13*3*5=195 (q=2, g=13, j=3, y=5); a(3)=3*11*7=231 (q=3, g=11, j=2, y=7); a(4)=19*3*7=329 (q=2, g=19, j=3, y=7); a(5)=3*19*11=627 (q=3, g=19, j=2, y=11).

CROSSREFS

Cf. A000040, A157931.

Sequence in context: A161962 A046887 A026066 * A326141 A044337 A044718

Adjacent sequences:  A167626 A167627 A167628 * A167630 A167631 A167632

KEYWORD

nonn

AUTHOR

Juri-Stepan Gerasimov, Nov 07 2009

EXTENSIONS

Corrected and extended by D. S. McNeil, Dec 10 2009

STATUS

approved

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Last modified July 17 18:47 EDT 2019. Contains 325109 sequences. (Running on oeis4.)