Numbers that have exactly 7 representations as a k-gonal number, P(n,k) = n*((k-2)*n - (k-4))/2, k and n >= 3.

A321157

Numbers that have exactly 7 representations as a k-gonal number, P(n,k) = n*((k-2)*n - (k-4))/2, k and n >= 3.

Terms

    a(0) =11935a(1) =12376a(2) =21736a(3) =24220a(4) =41041a(5) =45441a(6) =51360a(7) =52326a(8) =53361a(9) =54145a(10) =54405a(11) =58311a(12) =58696a(13) =73360a(14) =82720a(15) =89425a(16) =90321a(17) =96580a(18) =101025a(19) =102025a(20) =108801a(21) =113050a(22) =117216a(23) =118405a(24) =122265a(25) =122500a(26) =122760a(27) =123201a(28) =123256a(29) =127281

External references