A083174 Leading diagonal of A083173.

2, 9, 15, 42, 55, 117, 119, 228, 207, 435, 341, 666, 533, 903, 705, 1272, 1003, 1647, 1273, 2130, 1533, 2607, 1909, 3204, 2425, 3939, 2781, 4494, 3161, 5085, 3937, 6288, 4521, 7089, 5215, 8154, 5809, 9291, 6513, 10380, 7339, 11403, 8213, 12738, 8865

Offset

1,1

Links

Table of n, a(n) for n=1..45.

Prog

(PARI) for(i=1, 200, p=prime(i); s=p*((i-1)*(i))/2; k=i; while(denominator((s+k*p)/i)>1, k++); print1(k*p, ", ")) (Herrgesell)

Crossrefs

Cf. A083173, A083175, A083176.

Sequence in context: A108463 A056724 A295732 * A067547 A166374 A083783

Adjacent sequences: A083171 A083172 A083173 * A083175 A083176 A083177

Keyword

nonn

Author

Amarnath Murthy, Apr 26 2003

Extensions

More terms from Lambert Herrgesell (zero815(AT)googlemail.com), Dec 30 2005

Status

approved