11354112

Appears in sequences

• Theta series of 12-dimensional unimodular lattice {D_12}^{+}.at n=17A004533
• Sum of digits of zero-absent composite a(n) equals number of prime factors.at n=11A050690
• Denominators of Sum_{k=1..n} 1/(k * 2^k).at n=11A068565
• Irregular triangle T(n,m), denominators of coefficients in a power/Fourier series expansion of the plane pendulum's exact time dependence.at n=24A274131
• Maximum difficulty level (see A361424 for the definition) for tiling an n X 2 rectangle with a set of integer-sided rectangles, rounded down to the nearest integer.at n=26A361426