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A031129 Number of proper factorizations of p1^n*p2^6, where p1 and p2 are distinct primes. 1
10, 29, 76, 161, 322, 588, 1042, 1751, 2875, 4570, 7127, 10859, 16305, 24050, 35039, 50354, 71608, 100696, 140348, 193783, 265504, 360888, 487213, 653242, 870612, 1153321, 1519657, 1991688, 2597761, 3372106, 4358197, 5608417 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
FORMULA
a(n) = A002755(n) - 1 = A028422(2^n*3^6). - Ray Chandler, May 01 2017
CROSSREFS
Sequence in context: A271991 A048469 A367343 * A048772 A055850 A200185
KEYWORD
nonn
AUTHOR
EXTENSIONS
Offset changed to 0 and more terms added by Ray Chandler, May 01 2017
STATUS
approved

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Last modified April 17 10:58 EDT 2024. Contains 371763 sequences. (Running on oeis4.)