113874

Appears in sequences

• Series-parallel numbers.at n=8A000163
• Fibonacci sequence beginning 2, 26.at n=19A022375
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (0, 0, 1), (0, 1, 0), (1, -1, 0), (1, 1, -1)}.at n=9A150203
• Partial sums of floor(3^n/7).at n=12A178704
• Number of representations of n as a sum of products of pairs of positive integers, considered to be equivalent when terms or factors are reordered.at n=37A182269
• Numbers k such that 4*10^k - 21 is prime.at n=31A256228