A136382 a(n) = A136380(n)/4.

6, 40, 2992, 12414272, 209257095067008, 59317480525187181808940067328, 4702813293407424109748719392353175027867348964750888938496, 29544706650695305166306664670066298727078147700457878444083332544832412373927109119211594757559616821553159371673600

Offset: 1

Author

Antti Karttunen, Dec 29 2007

Keywords

• nonn
• base

Comments

Note that each term a(n) fits into A007283(n-1) bits.

Links

• A. Karttunen, Table of n, a(n) for n = 1..11
• A. Karttunen, C program for computing this sequence

Crossrefs

a(n) = A048724(A136384(n))/2. A136383 shows the same sequence in octal base. Cf. A036284.