A027442 For n odd, >1, not divisible by 3, we can write 3/n = 1/a + 1/b + 1/c with a>b>c>0, a,b,c distinct and odd; sequence gives smallest a.

15, 35, 165, 91, 153, 247, 207, 75, 435, 651, 63, 185, 615, 1247, 2961, 245, 371, 99, 1239, 1891, 105, 3015, 1917, 2701, 99, 4187, 9213, 187, 4005, 143, 285, 3395, 1313, 4017, 15301, 5995, 4407, 345, 255, 1089, 375, 1905, 5895, 247, 9453, 6811

Offset

5,1

Links

Table of n, a(n) for n=5..50.

Example

1/15+1/5+1/3=3/5; 1/35+1/15+1/3=3/7; 1/165+1/15+1/5=3/11; 1/91+1/13+1/7=3/13

Crossrefs

Cf. A027443.

Sequence in context: A210503 A037074 A107423 * A208728 A219689 A074891

Adjacent sequences: A027439 A027440 A027441 * A027443 A027444 A027445

Keyword

nonn

Author

N. J. A. Sloane and R. H. Hardin

Status

approved