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A026324
Expansion of 1/((1-2x)(1-6x)(1-7x)(1-8x)).
0
1, 23, 341, 4147, 45045, 455091, 4373797, 40541699, 365712149, 3230463379, 28067769093, 240654781731, 2041291828213, 17162300683187, 143239714105829, 1188212150789443, 9805989936743637, 80575358596047315
OFFSET
0,2
FORMULA
a(n) = -2^n/15 +27*6^n -343*7^n/5 +128*8^n/3. R. J. Mathar, Jun 23 2013
CROSSREFS
Sequence in context: A028059 A299710 A028055 * A028039 A002118 A025993
KEYWORD
nonn
AUTHOR
STATUS
approved