23052

Appears in sequences

• Number of different bracelets with 6 beads of at most n colors, allowing turning over.at n=8A027670
• Susceptibility series H_3 for 2-dimensional Ising model (divided by 2).at n=17A054410
• Number of partitions of n such that multiplicities of parts are divisors of n.at n=41A100932
• Numbers k such that both the k-th and (k+1)-th primes have the same sum of digits squared but different sets of digits.at n=9A109183
• Number of 4-way intersections in the interior of a regular 6n-gon.at n=33A137938
• Expansion of f(q) * f(q^5) / phi(-q^2)^2 in powers of q where f(), phi() are Ramanujan theta functions.at n=29A145722
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 0), (-1, 1, -1), (0, 0, 1), (1, 0, 0)}.at n=9A149908
• The fourth row of the ED4 array A167584.at n=8A167586
• Number of 5-step self-avoiding walks on an n X n square summed over all starting positions.at n=16A188150
• Number of partitions p of 2n-1 such that n - (number of parts of p) is a part of p.at n=23A238641
• Numbers k such that (107*10^k - 17)/9 is prime.at n=20A282281
• L.g.f.: Sum_{n>=1} x^((2*n-1)^2) / ( (2*n-1) * (1 - x^(2*n))^(2*n-1) ).at n=42A293598
• Number T(n,k) of partitions of [n] having exactly k parity changes within the partition, n>=0, 0<=k<=max(0,n-1), read by rows.at n=53A363519
• Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder up to horizontal and vertical reflections by two tiles that are fixed under these reflections.at n=30A368253
• Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder up to horizontal and vertical reflections by a tile that is fixed under horizontal reflections but not vertical reflections.at n=30A368254
• Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder up to horizontal reflections by two tiles that are each fixed under horizontal reflection.at n=33A368258
• Expansion of (1+x+x^2) / (1-x-3*x^2).at n=12A384614