58836

Appears in sequences

• a(n) = A002861(n) + A000081(n).at n=12A124682
• Number of nX3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,2,1,4 for x=0,1,2,3,4.at n=8A196480
• Number of (n+1)X(n+1) -4..4 symmetric matrices with every 2X2 subblock having sum zero and two or three distinct values.at n=10A211493
• Numbers k such that A073734(k) is neither squarefree nor a prime power.at n=29A365899
• Smallest k such that A073734(k) is in A055932, where A073734 is the GCD of consecutive terms of the EKG sequence A064413.at n=7A380506
• Smallest k such that A073734(k) = n, where A073734 is the GCD of consecutive terms of the EKG sequence A064413.at n=17A382222