144606

Appears in sequences

• Numbers with exactly 5 distinct prime factors each of which is a palindrome.at n=29A046403
• Count of propositional theorems up to 10^n in Richard C. Schroeppel's Goedelization of A101273.at n=9A166746
• Number of 0..n arrays x(0..3) of 4 elements without any two consecutive increases.at n=19A200786
• a(n) = Sum_{k=0..n} binomial(n, floor(k/2 - 1/2)) * binomial(n, ceiling(k/2 - 1/2)).at n=10A378069