19078

Appears in sequences

• Numbers in ascending order formed by using all the digits of the next n numbers.at n=27A081991
• Column 12 of an array illustrated in A089584 and related to A034261.at n=3A110553
• Column 11 of table A105552.at n=11A110554
• Number of P_4-sparse perfect graphs on n nodes.at n=10A123441
• Number of nondecreasing arrangements of n+2 numbers in 0..8 with the last equal to 8 and each after the second equal to the sum of one or two of the preceding four.at n=27A189325
• p-INVERT of the positive integers, where p(S) = 1 - 2*S - 2*S^2.at n=6A290923
• Number of n X 3 0..1 arrays with every element unequal to 0, 2, 3 or 6 king-move adjacent elements, with upper left element zero.at n=20A304136
• a(n) = Sum_{k=1..n} (-1)^(k+1) * floor(n/(2*k-1))^3.at n=26A350163