Mission
Maintain the OEIS website (oeis.org), used by scientists world-wide.
THE OEIS FOUNDATION INC is a nonprofit organization categorized as Public Charity based in WEST TRENTON, NJ. Its most recent IRS filing (2025) reports revenue of $112K, expenses of $145K, total assets of $3.5M. Imperigo tracks 3 reported grant relationships connected to this organization totaling approximately $7K.
Maintain the OEIS website (oeis.org), used by scientists world-wide.
Showing up to 5 of 3 total records — full history available with membership.
Officer compensation and complete director data available with membership.
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $112K | $145K | $3.5M |
| 2024 | $2.5M | $23K | $3.1M |
| 2023 | $40K | $25K | $464K |
| 2022 | $66K | $22K | $389K |
| 2021 | $193K | $20K | $403K |
Between 2021 and 2025, reported annual revenue declined from $193K to $112K (-42%), with total assets most recently reported at $3.5M.
Interactive year-over-year charts and full filing details available with membership.