136434

Appears in sequences

• Numbers n such that 6^n+5 is prime.at n=28A145106
• Number of n X 2 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 3 binary array having nonzero determinant, with rows and columns of the latter in lexicographically nondecreasing order.at n=21A227554
• Number of set partitions of [n] such that for each pair of blocks (b,c) with b<c at least one pair of consecutive numbers (i,i+1) exists with i member of b and i+1 member of c or i member of c and i+1 member of b.at n=12A272301