6*a(n) are the perimeters of distinct triangles with integer sides i <= j <= k, whose area equals 7 times their perimeter. Terms occurring more than once belong to different triangles.
A332927
6*a(n) are the perimeters of distinct triangles with integer sides i <= j <= k, whose area equals 7 times their perimeter. Terms occurring more than once belong to different triangles.
Terms
- a(0) =27a(1) =28a(2) =32a(3) =33a(4) =35a(5) =38a(6) =40a(7) =42a(8) =44a(9) =44a(10) =45a(11) =48a(12) =49a(13) =52a(14) =55a(15) =57a(16) =60a(17) =62a(18) =68a(19) =70a(20) =72a(21) =80a(22) =88a(23) =90a(24) =90a(25) =92a(26) =96a(27) =101a(28) =104a(29) =108
External references
- oeis: A332927