133386
domain: N
Appears in sequences
- Smallest triangular number that contains the string n in its exact center.at n=33A062690
- Triangular numbers that for some k are also the sum of the first k primes.at n=2A066527
- First divisors at which integral quotients occur consecutively in A116536 (and associated with A159580).at n=3A159581
- The smallest triangular number that contains the digits of n in its exact middle.at n=32A163598
- Numbers n such that the sum of the inverse of the exponents in the binary expansion of 2n is the inverse of an integer.at n=38A272034
- Numbers n such that the sum of the inverse of the exponents in the binary expansion of 2n is an integer.at n=14A272035
- Numbers n such that the sum of the inverse of the exponents in the binary expansion of 2n is equal to 1.at n=7A272036
- Triangular numbers which are products of five distinct primes.at n=33A357590
- Triangular numbers (A000217) in A353729.at n=10A370520