22510

Appears in sequences

• Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite NES = NU-87 H4[Al4Si64O136].nH2O starting with a T4 atom.at n=13A019205
• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 30.at n=9A031708
• Numbers that contain as proper substrings every maximal prime power dividing them.at n=11A059401
• Expansion of (1-x)/(1+x^2+x^3).at n=53A078032
• Expansion of (1-x)/(1+2*x+x^2-x^3).at n=24A078064
• Indices n such that A134204(n) < n.at n=32A133242
• a(n) = 225*n^2 + n.at n=9A156814
• a(n) = 900*n^2 + 2*n.at n=4A158406
• a(n) = 100*n^2 + 10.at n=15A158492
• Number of partitions of n that do not contain 1 as a part and whose parts are not the same divisor of n.at n=48A167928
• Number of 2Xn arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 2Xn array.at n=12A219829
• Number of 3-generalized 2-Motzkin paths of length n with no level steps H=(3,0) at odd level.at n=18A257515
• Sum of the odd parts in the partitions of n into 8 parts.at n=34A309629
• Centered triangular numbers which are products of three distinct primes.at n=14A359624