611065
domain: N
Appears in sequences
- a(1) = 1; a(n) is the smallest triangular number > a(n-1) which differs from it at every digit.at n=42A068855
- Row sums of number triangle A116382.at n=17A116383
- Triangular numbers whose binary conversion, read in decimal, is prime.at n=31A227028
- Pyramidal centered square numbers.at n=23A237516
- Number of permutations of [n] that avoid the patterns 2-41-3, 3-14-2, 2-1-4-3, and 3-41-2.at n=12A363812