31737

Appears in sequences

• Expansion of e.g.f.: log(1+x)/cosh(x).at n=9A009435
• A list of equal temperaments (equal divisions of the octave) whose nearest scale steps are closer and closer approximations to six complementary pairs of ratios which generate simple musical tones (scale steps): 8/7 and 7/4, 6/5 and 5/3, 16/13 and 13/8, 5/4 and 8/5, 4/3 and 3/2 and 11/8 and 16/11.at n=50A060233
• A list of equal temperaments (equal divisions of the octave) whose nearest scale steps are closer and closer approximations to the ratios of 8 musical tones: 8/7 16/11 5/4 4/3 3/2 8/5 11/8 7/4.at n=46A060527
• Sum of the second moments of all partitions of n with weights starting from 1.at n=15A066187
• Number of (non-null) connected induced subgraphs in the n-triangular graph.at n=4A287689
• p-INVERT of the positive integers, where p(S) = 1 - S - S^2 - S^3.at n=8A291029
• Expansion of e.g.f. arctan(x)/cos(x) (odd powers only).at n=4A302542
• G.f. satisfies A(x) = 1 + x * A(x * (1 - x^3)).at n=22A360897