A292841
Number of sets of nonempty words with a total of n letters over 7-ary alphabet.
Original entry on oeis.org
1, 7, 70, 721, 7042, 67592, 636517, 5904746, 54072137, 489655873, 4390760297, 39030158111, 344244293260, 3014869505704, 26235190722937, 226961433002801, 1952889252127030, 16720135949099562, 142493658202081151, 1209158776638832488, 10219419639669800154
Offset: 0
-
h:= proc(n, i) option remember; `if`(n=0, 1, `if`(i<1, 0,
add(h(n-i*j, i-1)*binomial(7^i, j), j=0..n/i)))
end:
a:= n-> h(n$2):
seq(a(n), n=0..30);
A292842
Number of sets of nonempty words with a total of n letters over 8-ary alphabet.
Original entry on oeis.org
1, 8, 92, 1080, 12070, 132408, 1425372, 15114504, 158210353, 1637612160, 16784647360, 170537275776, 1719204122528, 17209440777600, 171165585295552, 1692447401221248, 16644429470981928, 162875924564677824, 1586486181338263456, 15386713233832145728
Offset: 0
-
h:= proc(n, i) option remember; `if`(n=0, 1, `if`(i<1, 0,
add(h(n-i*j, i-1)*binomial(8^i, j), j=0..n/i)))
end:
a:= n-> h(n$2):
seq(a(n), n=0..30);
A292843
Number of sets of nonempty words with a total of n letters over 9-ary alphabet.
Original entry on oeis.org
1, 9, 117, 1542, 19404, 239481, 2900802, 34609797, 407615175, 4747112731, 54743025339, 625791326688, 7097863351275, 79938092898747, 894514969436076, 9951032414168964, 110103625982603466, 1212181195307220126, 13283829023674846878, 144946503880942833774
Offset: 0
-
h:= proc(n, i) option remember; `if`(n=0, 1, `if`(i<1, 0,
add(h(n-i*j, i-1)*binomial(9^i, j), j=0..n/i)))
end:
a:= n-> h(n$2):
seq(a(n), n=0..30);
A292844
Number of sets of nonempty words with a total of n letters over 10-ary alphabet.
Original entry on oeis.org
1, 10, 145, 2120, 29660, 406752, 5475160, 72591320, 950032770, 12294612660, 157545928646, 2001232474600, 25222164942650, 315640538122100, 3924720693484450, 48514280936275240, 596460638741281825, 7296675024124004450, 88849865885787401525, 1077249149081661058800
Offset: 0
-
h:= proc(n, i) option remember; `if`(n=0, 1, `if`(i<1, 0,
add(h(n-i*j, i-1)*binomial(10^i, j), j=0..n/i)))
end:
a:= n-> h(n$2):
seq(a(n), n=0..30);