48518

Appears in sequences

• Triangle, read by rows, where row n equals the inverse binomial transform of the column n in rectangular table A124550 (starting with row 1).at n=23A124568
• Number of 4-bead necklaces labeled with numbers -n..n allowing reversal, with sum zero with no three beads in a row equal.at n=40A209345
• Number of compositions of n avoiding the pattern 1111.at n=19A232464