206572

Appears in sequences

• Triangle read by rows: numbers of isomers of unbranched a-4-catapolydecagons.at n=45A120651
• Numbers of isomers of unbranched a-4-catapolydecagons - see Brunvoll reference for precise definition.at n=9A121142
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, -1, 1), (-1, 0, 1), (0, 1, -1), (1, 0, 1)}.at n=11A148797
• Number of nonnegative integer arrays of length n+2 with new values 0 upwards introduced in order, and containing the value n-1.at n=34A211562
• Number of classes of endofunctions of [n] under reversal and complement to n+1.at n=7A275550