Number of ways of pairing the odd squares of the numbers 1 to n with the even squares of the numbers n+1 to 2n such that each pair sums to a prime.
A077763
Number of ways of pairing the odd squares of the numbers 1 to n with the even squares of the numbers n+1 to 2n such that each pair sums to a prime.
Terms
- a(0) =1a(1) =1a(2) =0a(3) =1a(4) =2a(5) =0a(6) =1a(7) =1a(8) =2a(9) =2a(10) =0a(11) =1a(12) =7a(13) =2a(14) =10a(15) =14a(16) =38a(17) =6a(18) =118a(19) =62a(20) =80a(21) =144a(22) =604a(23) =711a(24) =6201a(25) =4005a(26) =8570a(27) =14544a(28) =126725a(29) =124618
External references
- oeis: A077763