28048

Appears in sequences

• a(n) = ceiling(n*phi^19), where phi is the golden ratio, A001622.at n=3A004974
• Number of binary strings of length n with no substrings equal to 0001, 0110 or 1100.at n=20A164480
• Number of (n+3)X(4+3) 0..1 arrays with each row divisible by 15 and column not divisible by 15, read as a binary number with top and left being the most significant bits.at n=1A263122
• T(n,k)=Number of (n+3)X(k+3) 0..1 arrays with each row divisible by 15 and column not divisible by 15, read as a binary number with top and left being the most significant bits.at n=11A263124
• Number of (2+3)X(n+3) 0..1 arrays with each row divisible by 15 and column not divisible by 15, read as a binary number with top and left being the most significant bits.at n=3A263126
• Number of partitions of n with up to ten distinct kinds of 1.at n=18A320697
• Number of subsets of the first n primes whose elements have a prime average.at n=19A339485
• Triangle read by rows: T(n,k) is the number of permutations of {1,...,n} whose longest embedded arithmetic progression has length k.at n=40A339941
• Number of sets of nonempty words over binary alphabet with a total of n letters of which 2 are the first letter.at n=22A360650