26906

Appears in sequences

• a(1) = 1; a(n+1) = floor((sum{k=1 to n} a(k)^3)^(1/3)).at n=52A016085
• Numbers k such that k*(3k-1)/2 is a pentagonal palindrome.at n=12A028386
• Number of n X n 0..1 arrays with every repeated value in every row and column greater than the previous repeated value.at n=5A267713
• Number of nX6 0..1 arrays with every repeated value in every row and column greater than the previous repeated value.at n=5A267717
• Numbers k such that k * 15^k - 1 is prime.at n=5A299378
• Binomial transform of A135318.at n=12A373245