50090
domain: N
Appears in sequences
- Least k such that the first k terms of the Kolakoski sequence (A000002) contain n more 2's than 1's.at n=33A025503
- Number of basis partitions of n+36 with Durfee square size 6.at n=36A053801
- Number of Fermat pseudoprimes to bases 2 and 3 less than 10^n.at n=12A114246
- Number of nonnegative solutions to x^2 + y^2 + z^2 < n^2.at n=45A218711
- a(n) = index where A088568 (or equally A294448) first reaches or exceeds n in magnitude.at n=33A294449
- Number of solutions to 1 +- 4 +- 9 +- ... +- n^2 == 0 (mod n).at n=20A300268