Integers of the form k = m^3-m^2 such that k-+1 are primes.

Terms

a(0) =4a(1) =18a(2) =180a(3) =2028a(4) =8820a(5) =34848a(6) =108288a(7) =191748a(8) =720900a(9) =875520a(10) =960498a(11) =990000a(12) =1355310a(13) =1629108a(14) =1713600a(15) =1756920a(16) =2334948a(17) =2609028a(18) =7376850a(19) =8448048a(20) =21639798a(21) =37148148a(22) =42023088a(23) =48893940a(24) =60544008a(25) =63840000a(26) =100328400