a(n) is the result of factoring a(n-1) + 1 into primes, replacing each prime 2 with a 3, and taking the product of the resulting factors.

A242438

a(n) is the result of factoring a(n-1) + 1 into primes, replacing each prime 2 with a 3, and taking the product of the resulting factors.

Terms

    a(0) =1a(1) =3a(2) =9a(3) =15a(4) =81a(5) =123a(6) =279a(7) =945a(8) =1419a(9) =3195a(10) =7191a(11) =24273a(12) =36411a(13) =81927a(14) =276507a(15) =622143a(16) =7086609a(17) =10629915a(18) =23917311a(19) =612974547a(20) =1379192733a(21) =2068789101a(22) =3103183653a(23) =4654775481a(24) =6982163223a(25) =23564800881a(26) =35347201323a(27) =79531202979a(28) =178945206705a(29) =268417810059

External references