25428

Appears in sequences

• Every prefix prime in base 9 (written in base 9).at n=41A024769
• a(n) = prime(n)*prime(n+1) - prime(n+1).at n=36A037167
• Smaller of Smith brothers.at n=13A050219
• Sum of terms in n-th rows of triangle in A077159.at n=35A077162
• Least k such that the distance from k^2 to closest prime = n or zero if no k exists.at n=52A079666
• Row sums of A081964.at n=35A081966
• Expansion of (f(x) / f(x^3))^6 in powers of x where f() is a Ramanujan theta function.at n=19A132107
• Number of lower triangles of an n X n 0..4 array with all row sums equal to the length of the row and all column sums equal to the length of the column.at n=5A195640
• T(n,k) is the number of lower triangles of an n X n 0..k array with all row sums equal to the length of the row and all column sums equal to the length of the column.at n=41A195644