3457939485

Appears in sequences

• Smallest s for which there are exactly n primitive Pythagorean triangles with perimeter 2s; i.e., smallest s such that A078926(s) = n.at n=15A078927
• a(n) is the conductor of extension of Q generated by character values of the n-th alternating group A_n; the smallest m such that the extension is a subfield of the m-th cyclotomic field Q(zeta_m).at n=30A376940