28149

Appears in sequences

• Numbers whose base-5 representation contains exactly three 0's and three 4's.at n=20A045217
• Smallest k such that n^8+k^8, n^4+k^4, n^2+k^2, n+k are simultaneously prime.at n=13A071564
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 593", based on the 5-celled von Neumann neighborhood.at n=30A273121
• a(1) = 1; for n > 1, a(n) = 4*a(A252463(n)) + (n mod 4).at n=16A292384
• a(n) is the smallest positive integer which can be represented as the sum of distinct nonzero icosahedral numbers in exactly n ways, or -1 if no such integer exists.at n=23A360215
• The five digits of a(n) and their four successive absolute first differences are all distinct.at n=12A365257