102310

Appears in sequences

• Decimal expansion of a(n) is given by the first n terms of the periodic sequence with initial period 1,0,2,3.at n=5A037680
• a(n) = cpg(n, 3) + cpg(n, 4) + ... + cpg(n, n) where cpg(n, m) is the m-th n-th-order centered polygonal number.at n=28A257051
• Number of (undirected) Hamiltonian cycles in the n-Mycielski graph.at n=4A307927
• a(n) is the least number such that the concatenation of all the previous terms with it is squarefree and has n prime factors. a(0)=0.at n=14A309234
• Sum of the heights of all Motzkin paths of length n.at n=13A333498