Find the number of sequences of letters: ’AAABBBCCC’ such that:
1405
Arrangements of a,a,a,b,b,b,c,c,c in which no three consecutive letters are the same
93459
Number of permutations of unspecified length
52377
Find the linear recurrence of degree at most 2 for the following sequence
19250
Find a recurrence relation for the number of $n$-digit binary sequences with no pair of consecutive $1$s
34334
Combinatorics Problem with symbols and spaces
139356
How to find the limit of a sequence?
53639
Formula for number of 6 letter words from English alphabet if there is repetion and ordering
62577
The number of ways to order 26 alphabet letters, no two vowels occurring consecutively
28579
Creating a sequence that does not have an increasing or a decreasing sequence of length 3 from a set with 5 elements
105611
Finding limit of a sequence in product form
24256
General term for fibonacci sequence
33851
Generalizing a sequence.
52518
Infinite sequence of digits without consecutive repeating subsequenes
73575
Number of pairs of strings satisfying the given condition
107027
Number of combinations and permutations of letters
35073
finding the number of bit string containing eight 0s and twelve 1s?
80748
Question regarding the Fibonacci sequence