1141614
domain: N
Appears in sequences
- a(1) = 1; a(n) = a(n-1)-th nontotient number.at n=9A071573
- Number T(n,k) of entries in the k-th cycles of all permutations of [n] when cycles are ordered by decreasing lengths (and increasing smallest elements); triangle T(n,k), n>=1, 1<=k<=n, read by rows.at n=48A322384
- Number of entries in the fourth cycles of all permutations of [n] when cycles are ordered by decreasing lengths.at n=6A332853
- Triangle read by rows: T(n,m) (0<=m<=n) = number of positive n-digit numbers that have exactly m copies of a specific, previously selected positive base-10 digit among its digits.at n=30A380860