275968
domain: N
Appears in sequences
- Structured meta-prism numbers, the n-th number from a structured n-gonal prism number sequence.at n=27A100177
- Irregular triangle T(n,k) read by rows in which n-th row lists in colex order all series-reduced tree degree sequences D of n nodes encoded as t = Product_{d in D} prime(d); n >= 4, 1 <= k <= A002865(n-2).at n=37A345970