A080266 a(n) = A080301(A080263(n)).
0, 2, 28, 3995, 53032, 9218158, 1716408828, 68406706423034, 993609159645474, 211483814340246174, 45849905806140642231, 2254554272777258549734599, 509234594705250632023415288, 26692711238971831653512953923634
Offset: 0
Keywords
Crossrefs
Cf. A080265.