a(1) = 78557 (the first Sierpinski number); thereafter a(n+1) = Od(3*5*7*13*19*37*73 - a(n)), where Od(m) is the odd part of m.

A368560

a(1) = 78557 (the first Sierpinski number); thereafter a(n+1) = Od(3*5*7*13*19*37*73 - a(n)), where Od(m) is the odd part of m.

Terms

    a(0) =78557a(1) =34985939a(2) =2191531a(3) =8482363a(4) =7696009a(5) =31177213a(6) =19436611a(7) =790841a(8) =34629797a(9) =17710319a(10) =13085029a(11) =28482703a(12) =10391933a(13) =29829251a(14) =78557a(15) =34985939a(16) =2191531a(17) =8482363a(18) =7696009a(19) =31177213a(20) =19436611a(21) =790841a(22) =34629797a(23) =17710319a(24) =13085029a(25) =28482703a(26) =10391933a(27) =29829251

External references