31951

Appears in sequences

• Number of terms in n-th derivative of a function composed with itself 6 times.at n=11A022814
• Matrix 6th power of partition triangle A008284.at n=55A050300
• Semiprimes of the form (2*p+1)*(p-1)/2, p prime.at n=4A100930
• Numbers n such that 30n+{11, 13, 17, 19, 23} are 5 consecutive primes.at n=32A182279
• Odd numbers not of the form p + 2^m with p prime and m >= 0 for which the smallest k in A067760 such that n + 2^k is prime increases.at n=8A276495
• Triangle read by rows: T(n, k) is the number of nonequivalent ways to select k disjoint point triples from an n X n X n triangular point grid, each point triple forming a 2 X 2 X 2 triangle.at n=39A289229
• Number of nonequivalent ways to select 5 disjoint point triples from an n X n X n triangular point grid, each point triple forming a 2 X 2 X 2 triangle.at n=3A289232
• Number of nX3 0..1 arrays with every element equal to 0, 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero.at n=8A298503
• T(n,k) = Number of n X k 0..1 arrays with every element equal to 0, 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero.at n=57A298508