a(n), a(n+1), a(n+2), for n=5,8,11,... are respectively the numbers of representations of the integers 2^k-2, 2^k, 2^k+2, where k=(n+4)/3, by unordered sums of two odd primes not belonging to A158846.

A158853

a(n), a(n+1), a(n+2), for n=5,8,11,... are respectively the numbers of representations of the integers 2^k-2, 2^k, 2^k+2, where k=(n+4)/3, by unordered sums of two odd primes not belonging to A158846.

Terms

    a(0) =2a(1) =0a(2) =3a(3) =1a(4) =0a(5) =1a(6) =5a(7) =0a(8) =3a(9) =6a(10) =0a(11) =7a(12) =18a(13) =0a(14) =8a(15) =10a(16) =0a(17) =21a(18) =50a(19) =0a(20) =26a(21) =43a(22) =0a(23) =67a(24) =204a(25) =0a(26) =79a(27) =93a(28) =0a(29) =213

External references