100548
domain: N
Appears in sequences
- Sum of the degrees of the irreducible representations of the group GL(3,Z_n).at n=6A086782
- Number of 3 X 3 symmetric matrices over Z(n) having nonzero determinant.at n=6A115225
- Order of the group of invertible 3 X 3 symmetric matrices over Z(n).at n=6A115226
- a(n) is the smallest number representable in exactly n ways as a sum of 2 powerful(1) numbers.at n=18A115354
- Larger member of each exponential amicable pair.at n=0A126166
- Exponential amicable numbers.at n=1A127659
- Integers whose exponential aliquot sequences end in an exponential amicable pair.at n=1A127660
- a(1) = 1. a(n) = a(n-1) + a(m), where m is the largest term of the sequence {a(k)} which is less than n.at n=40A133488
- Fourth accumulation array, T, of the natural number array A000027, by antidiagonals.at n=60A185509
- Number of partitions of 0 of the form [x(1)+x(2)+...+x (j)] - [y(1)+y(2)+...+y(k)] where the x(i) are distinct positive integers <=n and the y(i) are distinct positive integers <= n.at n=25A209535
- Number of nondecreasing -3..3 vectors of length n whose dot product with some other -3..3 vector equals n.at n=16A226335
- Nonsquare numbers whose sum of proper square divisors is a square greater than 1.at n=33A232555
- Number of Dyck paths with n nodes and altitude 3.at n=13A318943
- Larger member of primitive exponential amicable pairs.at n=0A323754