19138560

Appears in sequences

• Theta series of 28-dimensional Quebbemann lattice.at n=3A002273
• Theta series of 28-dimensional unimodular lattice with no roots and with no parity vector of norm 4.at n=6A002520
• Theta series of a dual-extremal lattice of dimension 28 and level 2.at n=6A164972
• Triangle T(n,k) = Number of k-cycles on the graph of an n-orthoplex. n>=2, k>=3.at n=36A167986