Iceberg Threads
登录
Math sets and sequences iceberg
Just a small iceberg of math sets and sequences. Sometimes i will update it and add more entries. the more complex the set or the sequence is - the deeper it will be in the iceberg
Sidebar image SB
Layer 1: basics
ℕ (natural numbers)
primesSB
whole numbers
Layer 2: still basics, but a bit deeper
ℤ (integers)
square numbers/perfect squares
ℚ (rational numbers)
powers of 2SB
Layer 3: easy
arithmetic sequence
geometric sequence
Fibonacci sequence
tribonacci sequence, tetranacci sequence...
Lucas sequence
triangular numbersSB
semiprimes
palindromic numbers
Fibonacci primes
pi decimal expansion
Layer 4: normal
algebraic numbers
Mersenne primesSB
Sophie Germain primes
ℂ (complex numbers)
ℝ (real numbers)
lucky numbers
perfect numbers
circular primes
Sylvestr's sequence
divisor function and divisor numbers
Layer 5: hard
partition function and partition numbers
motzkin numbersSB
Bell numbers
numbersss47
其他
30
87
03 Apr 2026
15 Apr 2026
Iceberg Threads© 2026
关于联系支持者
条款隐私