30750

Appears in sequences

• Expansion of Product_{m>=1} (1+q^m)^(-3).at n=42A022598
• Number of partitions of n with equal nonzero number of parts congruent to each of 1 and 3 (mod 4).at n=50A035550
• A035550 with periodic zeros stripped.at n=24A035595
• Smallest k such that n^8+k^8, n^4+k^4, n^2+k^2, n+k are simultaneously prime.at n=30A071564
• McKay-Thompson series of class 32a for the Monster group.at n=42A107635
• Integers i such that 9*i = 25 X i, but 17*i is not 49 X i.at n=28A115811
• Number of zig-zag paths from top to bottom of a rectangle of width 9 with n rows whose color is not that of the top right corner.at n=14A153364
• Number of zig-zag paths from top to bottom of a rectangle of width 9 with 2n-1 rows whose color is not that of the top right corner.at n=7A153367
• The number of 2 X 2 symmetric positive definite matrices whose entries are integers x,y,z satisfying x^2 + y^2 + z^2 <= n^2.at n=39A219744
• Even numbers k such that the sum of divisors of k in Gaussian integers is a real number.at n=1A332532
• Number A(n,k) of n X n Fishburn matrices with entries in the set {0,1,...,k}; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=39A369415
• Number of 3 X 3 Fishburn matrices with entries in the set {0,1,...,n}.at n=5A369423