A274350 Products of three distinct Lucas numbers (2,3,4,7,11,18,...).

24, 42, 56, 66, 84, 88, 108, 132, 144, 154, 174, 216, 231, 232, 252, 282, 308, 348, 376, 378, 396, 406, 456, 504, 564, 594, 608, 609, 638, 658, 738, 792, 812, 912, 957, 984, 987, 1034, 1044, 1064, 1194, 1276, 1316, 1386, 1476, 1551, 1566, 1592, 1596, 1672

Offset

1,1

Links

Table of n, a(n) for n=1..50.

Example

24 = 2*3*4, 88 = 2 * 4 * 11.

Mathematica

z = 100; f[n_] := LucasL[n]; f[1] = 2 ;
Take[Sort[Flatten[Table[f[u] f[v] f[w], {u, 1, z}, {v, 1, u - 1}, {w, 1, v - 1}]]], z]

Crossrefs

Cf. A000032, A274348, A274349, A272949.

Sequence in context: A098900 A098769 A162886 * A063702 A074975 A077095

Adjacent sequences: A274347 A274348 A274349 * A274351 A274352 A274353

Keyword

nonn,easy

Author

Clark Kimberling, Jun 18 2016

Status

approved