60648

Appears in sequences

• Coefficient of q-series for constant term of Tate curve.at n=9A122162
• Triangle of coefficients of generalized Bernoulli polynomials associated with a Dirichlet character modulus 8.at n=23A151751
• Values of n such that n^a-+a are primes, a=11.at n=10A155023
• A transform of the Catalan numbers.at n=14A186334
• Auxiliary r(n) sequence used to prove some properties about Rowland's sequence: r(1) = 1, and r(n) = 1/2*(c(n)+1), where c(n) is A190894, for n>1.at n=41A190895
• Total number of congruence subgroups of PSL(2,Z) of genus n.at n=19A258691
• Triangle read by rows giving numbers B(n,k) arising in the enumeration of doubly rooted tree maps.at n=24A260039
• Number of interior points that are the intersections of exactly two chords in the configuration A006561(n).at n=37A292104
• Number of integer partitions of n with no part divisible by all the others.at n=43A343341
• The number of interior points that are intersections of exactly two chords for a 2n-gon where all its vertices are joined by lines (cf. A006561).at n=18A352144