A384932 Decimal expansion of tan(1) + sec(1).

3, 4, 0, 8, 2, 2, 3, 4, 4, 2, 3, 3, 5, 8, 2, 7, 8, 4, 8, 4, 1, 8, 7, 2, 8, 0, 4, 8, 8, 5, 7, 0, 1, 0, 3, 6, 6, 5, 5, 7, 6, 4, 7, 4, 2, 7, 4, 7, 5, 5, 2, 9, 3, 3, 7, 2, 1, 9, 1, 0, 4, 8, 8, 3, 5, 5, 7, 6, 7, 6, 8, 0, 8, 4, 1, 3, 3, 2, 3, 9, 9, 5, 4, 7, 6, 9, 4

Offset: 1

Author

Kritsada Moomuang, Jun 12 2025

Keywords

• nonn
• cons
• easy

Comments

The continued fraction expansion of this constant - 1 is A133265.

Examples

			3.408223442335827848481...
		

Crossrefs

Cf. A049471, A073448, A133265, A248617.

Programs

Mathematica

RealDigits[Tan[1] + Sec[1], 10, 100, 0][[1]]

PARI

tan(1) + 1/cos(1) \\ Amiram Eldar, Jun 13 2025

Formula

Equals A049471 + A073448.

Equals 4 + Integral_{x=0..1} sin(x)/(sin(x) - 1) dx.

Equals exp(Integral_{x=0..1} sec(x) dx).

Equals exp(A248617). - Hugo Pfoertner, Jun 13 2025