45804

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 STI = Stilbite Na4Ca8[Al20Si52O144].56H2O starting with a T4 atom.at n=14A019239
• Wiener index of the n-web graph.at n=32A180576
• Values of the difference d for 6 primes in geometric-arithmetic progression with the minimal sequence {7*7^j + j*d}, j = 0 to 5.at n=21A209205
• Numbers k such that 7*R_k + 3*10^k - 4 is prime, where R_k = 11...11 is the repunit (A002275) of length k.at n=15A259125
• Expansion of Product_{k>=1} 1/(1 - A000009(k)*x^k).at n=22A270995
• Numbers k such that w(k), w(k+1), and w(k+2) are all odd, where w is A336957.at n=16A337644