A024535 [ (4th elementary symmetric function of P(n))/(2nd elementary symmetric function of P(n)) ], where P(n) = {1, p(1), p(2), ..., p(n-1)}, where p(0) = 1.

0, 3, 13, 37, 87, 180, 341, 612, 1019, 1638, 2520, 3696, 5258, 7345, 10085, 13456, 17722, 22936, 29094, 36577, 45419, 55969, 68677, 83398, 100048, 119035, 140228, 164100, 192823, 225035, 261447, 301439, 347315, 397420, 453162, 514981, 582618, 657163

Offset

4,2

Links

Table of n, a(n) for n=4..41.

Crossrefs

Sequence in context: A098547 A256316 A194486 * A196235 A120479 A146227

Adjacent sequences: A024532 A024533 A024534 * A024536 A024537 A024538

Keyword

nonn

Author

Clark Kimberling

Status

approved