1121566

Appears in sequences

• p + P(p) where p is the n-th prime and P(p) is the unrestricted partition number of p.at n=17A098145
• Number of (n+1) X (2+1) 0..3 arrays with every 2 X 2 subblock summing to 6 and no 2 X 2 subblock having exactly two nonzero entries.at n=9A251230