121836

Appears in sequences

• Even square pyramidal numbers.at n=34A015222
• Structured rhombic dodecahedral numbers (vertex structure 9).at n=35A100157
• Numerator of Euler(n, 12/25).at n=4A156994
• A bisection of A222804.at n=35A222806
• Number of squares formed from a square composed of p^2 unit squares where p is n-th prime.at n=19A262247
• Index in A092243 where -n first appears.at n=28A269738
• Number of inequivalent (modulo C_4 rotations) square n X n grids with squares coming in two colors and three squares have one of the colors.at n=10A275799
• Number of chiral pairs of colorings of the edges of a regular tetrahedron using n or fewer colors.at n=11A337899
• Irregular triangle read by rows: T(n, k) is the q-multinomial coefficient defined by the k-th partition of n in Abramowitz-Stegun order, evaluated at q = 5.at n=14A347488