490560

Appears in sequences

• Expansion of Eisenstein series E_4(q) (alternate convention E_2(q)); theta series of E_8 lattice.at n=12A004009
• The hyper-Wiener index of the tetrameric 1,3-adamantane TA(n) (see the Fath-Tabar et al. reference).at n=9A216107
• T(n,k) is the number of labeled connected posets of n labeled elements with k covering relations (n>=1, k>=0). Triangle read by rows.at n=37A342588
• Aliquot-like sequence based on the largest aliquot divisor of the sum of divisors of n (A371418) that starts with 222.at n=38A371423