72576

Appears in sequences

• Expansion of theta series of {E_7}* lattice in powers of q^(1/2).at n=47A003781
• Theta series of the coset of the E_7 lattice in its dual.at n=11A005931
• a(n) = n!*(n+5)!/5!.at n=4A010794
• s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = (Fibonacci numbers), t = A001950 (upper Wythoff sequence).at n=29A024465
• s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (Fibonacci numbers), t = A001950 (upper Wythoff sequence).at n=29A025085
• Number of permutations of an n-set containing a 5-cycle.at n=9A029572
• Numbers k such that k and k^2 have the same set of digits.at n=28A029793
• Scaled Chebyshev U-polynomial evaluated at sqrt(6)/2.at n=7A030192
• Nonzero coefficients in theta series of {E_7}* lattice.at n=23A030443
• Maximum of different products of partitions of n into distinct parts.at n=39A034893
• Denominator of (1/Pi)*Integral_{0..oo} (sin x / x)^n dx.at n=9A049331
• Triangle read by rows, the Bell transform of n!*binomial(4,n) (without column 0).at n=37A049424
• Triangle read by rows, the Bell transform of n!*binomial(4,n) (without column 0).at n=46A049424
• Triangle of number of permutations of {1, 2, ..., n} having exactly k cycles, each of which is of length >=r for r=5.at n=6A050213
• Number of permutations sigma of [5n] without fixed points such that sigma^5 = Id.at n=2A052504
• E.g.f.: x^4*log(-1/(-1+x)).at n=9A052778
• From Vikram Seth's novel, "A Suitable Boy".at n=3A055627
• Triangle n!/(n-k), 1 <= k < n, read by rows.at n=31A058298
• Decomposition of Stirling's S(n,2) based on associated numeric partitions.at n=25A058936
• Number of tic-tac-toe games won after n plays.at n=7A061221