57624

Appears in sequences

• Expansion of free energy series related to Potts model.at n=5A007276
• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 20.at n=24A031698
• Generalized Stirling number triangle of first kind.at n=10A051186
• Sept-factorial numbers.at n=4A051188
• a(n) = concatenation of n^2 and n.at n=23A055436
• a(n) = 100*n^2 + n.at n=23A055438
• Numbers whose product of exponents is equal to the sum of prime factors.at n=37A071175
• a(n) = n*(2*n+1)^2.at n=24A084367
• Consider the family of multigraphs enriched by the species of partitions. Sequence gives the triangle read by rows giving coefficients of polynomials arising from enumeration of those multigraphs on n arcs of 7 different colors.at n=15A098362
• Septuple factorial, 7-factorial, n!7, n!!!!!!!, a(n) = n*a(n-7) if n > 1, else 1.at n=28A114799
• a(n) = ((n-th prime)^6-(n-th prime)^4)/2.at n=3A138453
• Triangle read by rows: T(n,k) = n^k * k!.at n=32A153188
• Triangle T(n, k) = Product_{j=0..k} (j*n + prime(m)), with T(n, 0) = prime(m) and m = 4, read by rows.at n=31A153272
• a(n) = 400*n^2 + 2*n.at n=11A158312
• a(n) = 576*n^2 + 24.at n=10A158637
• Totally multiplicative sequence with a(p) = 7p for prime p.at n=23A166628
• Number of 2 X 2 matrices having all elements in {0,1,...,n} and determinant = 1 (mod 3).at n=20A211034
• Number of 2 X 2 matrices having all terms in {1,...,n} and determinant = 1 (mod 3).at n=20A211071
• a(n) = n^2 * floor(n/2).at n=49A265645
• Number of length-5 0..n arrays with no repeated value differing from the previous repeated value by other than plus two, zero or minus 1.at n=7A269621