A024205 [ (4th elementary symmetric function of S(n))/(2nd elementary symmetric function of S(n)) ], where S(n) = {first n+3 odd positive integers}.

1, 7, 24, 58, 121, 224, 379, 604, 915, 1332, 1878, 2575, 3449, 4528, 5841, 7421, 9301, 11516, 14105, 17106, 20562, 24516, 29015, 34104, 39835, 46259, 53430, 61402, 70235, 79987, 90721, 102499, 115388, 129455, 144770, 161405, 179433, 198929, 219973, 242642

Offset

1,2

Links

Table of n, a(n) for n=1..40.

Formula

a(n) = floor(A024198(n) / A024196(n+2)). - Sean A. Irvine, Jun 24 2019

Crossrefs

Sequence in context: A212511 A100454 A081436 * A008779 A062449 A014205

Adjacent sequences: A024202 A024203 A024204 * A024206 A024207 A024208

Keyword

nonn

Author

Clark Kimberling

Status

approved