Cody

Problems

1 – 12 of 12
Problem Title
Likes
Solvers
Difficulty

Problem 2736. Pernicious Anniversary Problem

Created by: Jan Orwat

Tags easy, sequences, oeis

12

750

Problem 44360. Pentagonal Numbers

Created by: goc3

Tags series, number, sequence

9

584

Problem 2733. Evil Number

Created by: Jan Orwat

Tags easy, number theory, oeis

3

212

Problem 2734. N-th Odious

Created by: Jan Orwat

Tags number theory, oeis, pop series

2

143

Problem 2595. Polite numbers. Politeness.

Created by: Jan Orwat

Tags number theory, oeis

6

120

Problem 1298. P-smooth numbers

Created by: Richard Zapor

Tags primes, find, mod

1

57

Problem 42800. house of cards

Created by: Thomas Bischoff

Tags oeis, A005449

3

33

Problem 45224. Wythoff Sequence

Created by: Asif Newaz

Tags number theory, sequence, oeis

2

18

Problem 45231. Generate Golomb's sequence

Created by: Asif Newaz

Tags sequence, oeis, golomb

1

13

Problem 1887. Graceful Graph: Wichmann Rulers

Created by: Richard Zapor

Tags physics, graphs, oeis

0

5

Problem 1886. Graceful Double Wheel Graph

Created by: Richard Zapor

Tags graph theory, double wheel, graphs

0

3

Problem 42355. Minimum Set (A+A)U(A*A) OEIS A263996

Created by: Richard Zapor

Tags oeis, psmooth, zimmermann

0

2
1 – 12 of 12