-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 7/22/10 11:18 , Jon Lang wrote: > Second, I'm trying to think of a simple and intuitive way to write up > a series expression for: > > triangle numbers: 0, 1, 3, 6, 10, 15, 21, etc. > square numbers: 0, 1, 4, 9, 16, 25, 36, etc. > factorials: 1, 1, 2, 6, 24, 120, 720, 5040, etc.
I don't think anyone seriously expects the series operator to be a dwimmy OEIS. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (Darwin) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAkxJLGkACgkQIn7hlCsL25X2jACeIwN4EBe96dS4WEBm1Ik14dQW JNwAoJaASMvMGVickzIgdBDclNM2KhJq =9ej6 -----END PGP SIGNATURE-----
