135470

Appears in sequences

• a(n) = 256*n^2 + 2*n.at n=22A158230
• Number of magic labelings with magic sum n of 8th graph shown in link.at n=8A244876
• Primitive abundant numbers (A071395) with a record gap to the next primitive abundant number.at n=11A334419
• Multiplicative orders of 2+-i modulo p == 3 (mod 4) that are congruent to 2 modulo 4.at n=19A385218