Sum of n-th row of triangle of primes: 2; 2 3 2; 2 3 5 3 2; 2 3 5 7 5 3 2; ...; where n-th row contains 2n+1 terms.
A061802
Sum of n-th row of triangle of primes: 2; 2 3 2; 2 3 5 3 2; 2 3 5 7 5 3 2; ...; where n-th row contains 2n+1 terms.
Terms
- a(0) =2a(1) =7a(2) =15a(3) =27a(4) =45a(5) =69a(6) =99a(7) =135a(8) =177a(9) =229a(10) =289a(11) =357a(12) =435a(13) =519a(14) =609a(15) =709a(16) =821a(17) =941a(18) =1069a(19) =1207a(20) =1351a(21) =1503a(22) =1665a(23) =1837a(24) =2023a(25) =2221a(26) =2425a(27) =2635a(28) =2851a(29) =3073
External references
- oeis: A061802