272947

Appears in sequences

• Central Peirce numbers. Number of set partitions of {1,2,..,2n+1} in which n+1 is the smallest of its block.at n=5A094577
• Generalized Bell numbers based on the rising factorial powers; square array read by antidiagonals.at n=30A182933
• 5th differences of Bell numbers.at n=6A191099
• Number of horizontal and antidiagonal neighbor colorings of the odd squares of an n X 2 array with new integer colors introduced in row major order.at n=10A216078
• Number of horizontal and antidiagonal neighbor colorings of the even squares of an n X 2 array with new integer colors introduced in row major order.at n=10A216332
• Number of (n+4)X7 0..2 matrices with each 5X5 subblock idempotent.at n=14A224620
• Number of nX4 0..1 arrays with every element unequal to 0, 1, 2 or 7 king-move adjacent elements, with upper left element zero.at n=17A304226