53644

Appears in sequences

• Euler transform of primes.at n=14A030009
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (0, 0, 1), (1, 0, 0), (1, 0, 1), (1, 1, 0)}.at n=7A151253
• Numbers k for which 10k + 1, 10k + 3, 10k + 7, 10k + 9 and 10k + 13 are primes.at n=23A178084
• Column 0 of square array A211970 (in which column 1 is A000041).at n=33A211971
• Number of (undirected) cycles in the graph C_6 X P_n.at n=3A339143
• a(n) = Sum_{k=1..n} k^2 * floor(n/k)^2.at n=41A350123