102432
domain: N
Appears in sequences
- a(n) = n*(n + 1)*(3*n + 1).at n=32A027903
- Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 20.at n=32A031698
- a(n) = concatenation of n^2 and n.at n=31A055436
- a(n) = 100*n^2 + n.at n=31A055438
- a(n) = 400*n^2 + 2*n.at n=15A158312
- a(n) = 32*(32*n^2 + 1).at n=10A158685
- G.f. satisfies A(x) = 1 + x*A(x)^2*(1 + A(x))^2/2.at n=6A219538
- T(n,k) = Number of idempotent n X n -k..k matrices.at n=13A223453
- Array read by antidiagonals: T(m,n) is the number of (non-null) induced trees in the grid graph P_m X P_n.at n=47A360202
- Array read by antidiagonals: T(m,n) is the number of (non-null) induced trees in the grid graph P_m X P_n.at n=52A360202