25525

Appears in sequences

• a(n) = T(n,n-5), array T as in A055807.at n=22A055810
• Number of partitions of n with at least one odd part.at n=38A086543
• a(n) = A063997(n)/4.at n=31A088406
• Positive numbers of the form x^5-10x^3*y^2+5x*y^4 (where x,y are integers and y>x).at n=19A135792
• Numbers of the form x^5-10x^3*y^2+5x*y^4 (where x,y are integers).at n=25A135793
• Numbers k such that k and k^2 use only the digits 1, 2, 3, 5 and 6.at n=49A136974
• Numbers k such that k and k^2 use only the digits 1, 2, 4, 5 and 6.at n=55A136988
• Numbers k such that k and k^2 use only the digits 1, 2, 5 and 6.at n=15A137003
• Numbers k such that k and k^2 use only the digits 1, 2, 5, 6 and 7.at n=40A137004
• Numbers k such that k and k^2 use only the digits 1, 2, 5, 6 and 8.at n=26A137005
• Numbers k such that k and k^2 use only the digits 1, 2, 5, 6 and 9.at n=27A137006
• Number of partitions of 2n that contain odd parts.at n=19A182616
• Number of (n+1)X(1+1) 0..2 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=4A237861
• Number of (n+1)X(5+1) 0..2 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=0A237865
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=10A237868
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=14A237868
• Number of partitions p of n such that floor(n/2) is not a part of p.at n=37A238546
• Number of partitions of n such that neither floor(n/2) nor ceiling(n/2) is a part.at n=37A238623
• Least positive integer k such that both k and k*n belong to the set {m>0: 2*prime(prime(m))+1 = prime(p) for some prime p}.at n=32A261362
• Number of relatively prime or monic partitions of n.at n=37A300486