765421
domain: N
Appears in sequences
- Dealing cards in a game of solitaire.at n=25A071761
- Triangle read by rows: the n-th row contains n numbers sorted in decreasing value, each build by dropping a different number from the sequence [n,n-1,n-2,....,1] and concatenating the n-1 others. By definition the first row contains 0.at n=23A081541