54034

Appears in sequences

• Number of ways writing 2^n as a sum of two nonprime numbers.at n=16A062306
• Number of nX4 0..1 arrays with exactly n+4-2 having value 1 and no three 1s forming an isosceles right triangle.at n=9A272954
• Partial sums of A299896.at n=48A299897
• Number T(n,k) of proper multisets of nonempty words with a total of n letters over k-ary alphabet such that all k letters occur at least once in the multiset; triangle T(n,k), n>=2, 1<=k<=n-1, read by rows.at n=30A320264