908820

Appears in sequences

• Let G = complete graph on 4 vertices, create the sequence G, L(G), L(L(G)), L(L(L(G))), ... where each graph in this sequence is the line graph of the previous graph; a(n) is number of vertices of the n-th graph in this sequence.at n=7A060202
• Square array read by antidiagonals downwards: super Patalan numbers of order 3.at n=52A248324
• Number of nX4 0..1 arrays with every element unequal to 0, 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.at n=10A306056
• Column k=1 of Brent's table A381083 related to prime gaps 2n.at n=20A381084