217041

Appears in sequences

• Rectangular table where column k equals row sums of matrix power A097712^k, read by antidiagonals.at n=38A125860
• Column 2 of table A125860; also equals row sums of matrix power A097712^2.at n=6A125862
• Number of n X n symmetric binary arrays with rows, considered as binary numbers, in nondecreasing order, and no more than 6 ones in any row.at n=6A162040
• a(0)=0, a(1)=1; for n>1, a(n) = a(n-1)+a(n-2), except where a(n-1) is a prime greater than 2, in which case a(n) = a(n-1)-a(n-2).at n=44A376930