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142 (one hundred forty-two) is the natural number following 141 and preceding 143.

In mathematics

There are 142 connected functional graphs on four labeled vertices, 142 planar graphs with 6 unlabeled vertices, and 142 partial involutions on five elements.

In Memorium

At the United States Merchant Marine Academy, the number '142' represents 142 Cadet/Midshipmen who died aboard merchant vessels during World War II. The U.S. Merchant Marine Academy, among the nation's five federal academies, is the only institution authorized to carry a battle standard as part of its color guard. The battle standard bears the number "142" on a field of red, white and blue.

References

1. Sloane, N. J. A. (ed.). "Sequence A001865 (Number of connected functions on n labeled nodes)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
2. Sloane, N. J. A. (ed.). "Sequence A005470 (Number of unlabeled planar simple graphs with n nodes)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
3. Sloane, N. J. A. (ed.). "Sequence A005425". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.

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