38961

Appears in sequences

• From George Gilbert's marks problem: jumping 7 marks at a time (initial positions).at n=24A019997
• a(n) = (2*n+1)*(12*n+1).at n=40A033576
• a(n) = Product_{k|n} (n+1-k).at n=38A056819
• Sum of next n cubes.at n=6A075664
• Numbers n such that the decimal number concat(9,n) is a square.at n=35A273364
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 790", based on the 5-celled von Neumann neighborhood.at n=40A273562
• Numbers k such that phi(k, 2) = phi(k+1, 2), where phi(k, 2) = A002472(k).at n=15A301868
• Integers k such that k^2 can be written as the sum of three positive fourth powers.at n=10A365657
• a(n) = Sum_{k=1..n} tau( (n/gcd(k,n))^n ).at n=38A373002