Three-column array read by rows: the first row consists of the first two primes, p = 2 and q = 3, and their sum s = p + q = 5; afterwards the (n+1)-st row consists of the smallest pair of consecutive primes whose sum is a multiple of the sum in the n-th row followed by their sum.
A284669
Three-column array read by rows: the first row consists of the first two primes, p = 2 and q = 3, and their sum s = p + q = 5; afterwards the (n+1)-st row consists of the smallest pair of consecutive primes whose sum is a multiple of the sum in the n-th row followed by their sum.
Terms
- a(0) =2a(1) =3a(2) =5a(3) =13a(4) =17a(5) =30a(6) =29a(7) =31a(8) =60a(9) =59a(10) =61a(11) =120a(12) =113a(13) =127a(14) =240a(15) =239a(16) =241a(17) =480a(18) =953a(19) =967a(20) =1920a(21) =3833a(22) =3847a(23) =7680a(24) =15359a(25) =15361a(26) =30720a(27) =30713a(28) =30727a(29) =61440
External references
- oeis: A284669