30897
domain: N
Appears in sequences
- a(n) = floor(n*phi^16), where phi is the golden ratio, A001622.at n=14A004931
- Composite numbers whose prime factors contain no digits other than 3 and 4.at n=27A036314
- Transform of Catalan numbers whose Hankel transform satisfies the Somos-4 recurrence.at n=11A157100
- Numbers with 3 or more prime factors (with multiplicity) such that every concatenation of their prime factors is prime.at n=32A217264
- Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=3A303415
- Number of nX4 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=3A303417
- T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=24A303421
- Number of 4Xn 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=3A303423
- Sum of the sixth largest parts in the partitions of n into 8 parts.at n=49A308992
- Non-Brauer numbers.at n=18A349044