Number of (n+1) X (1+1) 0..4 arrays with each row and column divisible by 13, read as a base-5 number with top and left being the most significant digits.

A263434

Number of (n+1) X (1+1) 0..4 arrays with each row and column divisible by 13, read as a base-5 number with top and left being the most significant digits.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =6a(4) =9a(5) =18a(6) =36a(7) =61a(8) =106a(9) =212a(10) =424a(11) =776a(12) =1449a(13) =2898a(14) =5796a(15) =11096a(16) =21486a(17) =42972a(18) =85944a(19) =168421a(20) =331914a(21) =663828a(22) =1327656a(23) =2630981a(24) =5227391a(25) =10454782a(26) =20909564a(27) =41648191a(28) =83053529a(29) =166107058

External references