Frobenius number of the numerical semigroup generated by three consecutive pyramidal numbers.

Terms

a(0) =51a(1) =191a(2) =609a(3) =1324a(4) =2813a(5) =4711a(6) =8576a(7) =13894a(8) =23319a(9) =34165a(10) =51661a(11) =71126a(12) =100529a(13) =136239a(14) =187543a(15) =241586a(16) =321251a(17) =404839a(18) =516704a(19) =645358a(20) =813141a(21) =982651a(22) =1221299a(23) =1463734a(24) =1767473a(25) =2106271a(26) =2524101a(27) =2940909a(28) =3500209a(29) =4061663