30453

Appears in sequences

• Number of permutations of decimal digits of 2^n which yield a prime.at n=28A086151
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, -1), (0, 0, 1), (1, 0, 1), (1, 1, -1)}.at n=8A150372
• Number of partitions of n containing a clique of size 7.at n=46A183564
• Number of (n+2)X(2+2) 0..3 arrays with every consecutive three elements in every row and column having exactly two distinct values, and new values 0 upwards introduced in row major order.at n=1A252900
• T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every consecutive three elements in every row and column having exactly two distinct values, and new values 0 upwards introduced in row major order.at n=4A252904
• Convolution of the sequence of derangement numbers A000166 with itself.at n=8A272988
• Main diagonal of A332365.at n=23A332366