27878

Appears in sequences

• a(n) = floor( n^Pi ).at n=25A061294
• Square array of Pell related numbers, read by antidiagonals.at n=62A086350
• T(n,3) of A086350.at n=7A086351
• Numbers k such that k and k^2 use only the digits 1, 2, 4, 7 and 8.at n=30A136997
• Numbers k such that there is 1 prime between 100*k and 100*k + 99.at n=39A186393
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 251", based on the 5-celled von Neumann neighborhood.at n=33A271018