78144

Appears in sequences

• Numbers which can be expressed as the product of numbers made of only fours.at n=27A161142
• Numbers which can be expressed as the product of numbers made of only eights.at n=17A161146
• Numbers that are formed using their own digits and addition and seventh power operators.at n=7A195674
• G.f.: q-sinh(x) evaluated at q=-x.at n=45A198202
• Number of (n+1) X (1+1) 0..2 arrays with the upper median plus the lower median of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=5A237560
• Number of (n+1)X(6+1) 0..2 arrays with the upper median plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=0A237565
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the upper median plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=15A237567
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the upper median plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=20A237567
• Totients t such that the number of divisors of t equals the number of solutions of phi(x) = t.at n=36A305058
• Number of possible states when placing n tokens of 2 alternating types on 3 piles.at n=13A320731
• Sum of all the parts in the partitions of n into 10 parts.at n=37A326588