Frobenius number of the numerical semigroup generated by four consecutive tetrahedral numbers.

Terms

a(0) =41a(1) =249a(2) =253a(3) =853a(4) =1243a(5) =1571a(6) =2619a(7) =5059a(8) =5357a(9) =9437a(10) =11801a(11) =13609a(12) =18327a(13) =27607a(14) =28919a(15) =41951a(16) =49169a(17) =54473a(18) =67253a(19) =90573a(20) =94051a(21) =124099a(22) =140347a(23) =152027a(24) =178989a(25) =226141a(26) =233369a(27) =291089a(28) =321839a(29) =343639