951831

Appears in sequences

• Number of 3-element antichains on an unlabeled n-element set; equivalence classes of monotone Boolean functions of n variables with 3 mincuts under action of symmetric group S_n.at n=28A056778
• Decimal representation of the n-th iteration of the Conway's game of life starting with four adjacent rows of lines turned on to positive and negative infinity.at n=8A270072