74080

Appears in sequences

• Coefficients in the expansion of C/B^2, in Watson's notation of page 106.at n=24A160461
• Number of (n+1)X5 0..2 arrays with every 2X3 or 3X2 subblock having exactly two equal edges, and new values 0..2 introduced in row major order.at n=5A206211
• Number of (n+1)X7 0..2 arrays with every 2X3 or 3X2 subblock having exactly two equal edges, and new values 0..2 introduced in row major order.at n=3A206213
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X3 or 3X2 subblock having exactly two equal edges, and new values 0..2 introduced in row major order.at n=39A206215
• Number of tree-partitions of a multiset whose multiplicities are the prime indices of n.at n=45A318847
• a(n) is the smallest k such that A342068(k) = n.at n=23A342069
• G.f.: Sum_{k>=0} x^(k*(k+1)) * Product_{j=1..k} 1/(1 - x^j)^4.at n=24A376711