Number of length n 1..(3+2) arrays with no leading partial sum equal to a prime and no consecutive values equal.
A255711
Number of length n 1..(3+2) arrays with no leading partial sum equal to a prime and no consecutive values equal.
Terms
- a(0) =2a(1) =4a(2) =10a(3) =21a(4) =47a(5) =102a(6) =256a(7) =754a(8) =2169a(9) =5999a(10) =17237a(11) =49510a(12) =132956a(13) =339522a(14) =900236a(15) =2620855a(16) =8077245a(17) =24619352a(18) =71983144a(19) =205409149a(20) =584195761a(21) =1647027286a(22) =4572955010a(23) =12705583667a(24) =36182897964a(25) =106766407391a(26) =326242477740
External references
- oeis: A255711