67220

Appears in sequences

• Numbers k such that k-1, k-3, k-7 and k-9 are all prime.at n=28A064974
• Integers k for which 1 + A094125(k) = 1 + 3*2^k + 2*3^k is prime.at n=26A095378
• Numbers k such that A206369(k) = A206369(k + 1).at n=35A206368
• Numbers M(n) which are the number of terms in the sums of consecutive cubed integers equaling a squared integer, b^3 + (b+1)^3 + ... + (b+M-1)^3 = c^2, for a first term b(n) being an odd squared integer (A016754).at n=19A253707
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 110", based on the 5-celled von Neumann neighborhood.at n=8A270169
• Expansion of ((1 + 16*x)/(1 - 16*x))^(1/16).at n=6A304915