65594

Appears in sequences

• Positions in A212200 where successive new numbers (see A212203) appear.at n=20A212204
• Number of (n+1) X 7 0..1 matrices with each 2 X 2 subblock idempotent.at n=15A224548
• First row of spectral array W(gamma^2+1).at n=15A250254