34507

Appears in sequences

• Numbers n such that 3*10^n - 1 is prime.at n=16A056703
• Number of (n+2) X 4 0..2 arrays with every 3 X 3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly three ways, and new values 0..2 introduced in row major order.at n=9A204278
• Absolute discriminants of complex quadratic fields with 3-class group of type (3,3) and Hilbert 3-class field tower of exact length 2.at n=19A242864
• Numbers n such that A242719(n) = (prime(n))^2+1 and A242720(n) - A242719(n) = 2*(prime(n)+1).at n=29A246748
• Absolute discriminants of complex quadratic fields with 3-class group of type (3,3) and 3-principalization type (4224).at n=9A247690
• Absolute discriminants of complex quadratic fields with 3-class group of type (3,3) whose second 3-class group is located on the sporadic part of the coclass graph G(3,2) outside of coclass trees.at n=26A247691
• Number of integer partitions with sum <= n whose distinct parts can be linearly combined using nonnegative coefficients to obtain n.at n=31A365379
• Expansion of (1/x) * Series_Reversion( x*(1+x+x^3)/(1+x)^4 ).at n=7A366118