25005

Appears in sequences

• a(n) = C(n,5) + C(n,4) - C(n,3) + 1, n >= 7.at n=15A005288
• Number of partitions of 2n in which odd parts and multiples of 3 and 5 occur with even multiplicities. There is no restriction on the other even parts.at n=28A102346
• Numbers n such that Maple 9.5, Maple 10, Maple 11 and Maple 12 give the wrong answers for the number of partitions of n.at n=38A110375
• Numbers k such that k and k^2 use only the digits 0, 2, 3, 5 and 6.at n=48A136888
• Numbers k such that k and k^2 use only the digits 0, 2, 4, 5 and 6.at n=58A136898
• Numbers k such that k and k^2 use only the digits 0, 2, 5 and 6.at n=18A136911
• Numbers k such that k and k^2 use only the digits 0, 2, 5, 6 and 7.at n=55A136912
• Numbers k such that k and k^2 use only the digits 0, 2, 5, 6 and 8.at n=27A136913
• Numbers k such that k and k^2 use only the digits 0, 2, 5, 6 and 9.at n=27A136914
• Number of reduced words of length n in the Weyl group A_18.at n=5A161499
• Number of ways to arrange 3 indistinguishable points on an n X n X n triangular grid so that no three points are collinear at any angle.at n=10A194131
• Sequence of distinct least positive numbers such that the average of the first n terms is a cube.at n=29A245624
• Total number of binary digits used to write all partitions of n in binary notation.at n=23A318756
• Recurrence a(1) = 1, a(2) = 5; a(n) = (a(n-1) + a(n-2))/GCD(a(n-1),a(n-2)) + 1.at n=31A349576