Sum of squares of numbers that cannot be written as t*p(n) + u*p(n+1) for nonnegative integers t,u, where p(n) is the n-th prime.
A076430
Sum of squares of numbers that cannot be written as t*p(n) + u*p(n+1) for nonnegative integers t,u, where p(n) is the n-th prime.
Terms
- a(0) =1a(1) =70a(2) =1610a(3) =22715a(4) =170170a(5) =675376a(6) =2224824a(7) =5696295a(8) =21057190a(9) =52798270a(10) =111385170a(11) =261955560a(12) =414410780a(13) =628310711a(14) =1187225546a(15) =2369546790a(16) =3631067090a(17) =5339542890a(18) =8459444455a(19) =10969197540a(20) =15154637940a(21) =22349763995
External references
- oeis: A076430